Visual Atlas

The same element, different structures—a three-dimensional diamond lattice versus layers of graphite

Ideal lattice and real crystal—substitutional atom, vacancy, dislocation, and inclusion

From atom to gemological question—structure

Properties – material identity – origin and treatment

The durability triangle—hardness, toughness, and stability

Hardness versus fracture—scratch, cleavage, fracture, and chip

Diamond stability—normal wear, thermal shock, and oxidation at very high temperature in air

Mechanical risk map—round, pear, marquise, princess, and emerald shapes

Diamond's physical profile—RI, SG, dispersion, hardness, and thermal and electrical properties

Refraction, critical angle, and total internal reflection in diamond

Ideal optical isotropy and anomalous birefringence caused by stress

Path of light—refraction, internal reflection, dispersion, and return toward the observer

Property and question—RI, SG, and Raman confirm different aspects, but none alone reveals the stone's entire history

Classification tree—I

Ia/Ib; II – IIa/IIb; Ia – A/B/mixed aggregates

Isolated N

A pair – B aggregate; schematic, without implying a simple age clock

Diamond type versus color center—related but distinct layers of classification

FTIR and diamond types—simplified spectral signatures of Ia, Ib, IIa, and IIb

Screening logic—type I/type II as an initial filter, not a final verdict

Five layers of evidence—material, origin/treatment, quality, traceability, and value/ownership

Rough-to-polished traceability—known origin

Rough characterization – cutting and polishing – scientific matching

Limits of evidence—the stone, laboratory, documentation, market, and law

From question to appropriate evidence—identity

Laboratory; origin – chain; value – market valuation; ownership – law

P–T diagram—the graphite and diamond stability fields and a cold cratonic geotherm

Cross section of Earth—lithospheric diamonds in a cratonic root and sublithospheric diamonds in the transition zone/lower mantle

Life cycle of a natural diamond—mantle growth

Long-term storage – entrainment by magma – transport – surface

Peridotitic, eclogitic, and websteritic parageneses—typical mineral assemblages

Chain of evidence—microscopic appearance

Mineral identification – chemistry – paragenesis – geological model

Monocrystalline core, fibrous coat, and a network of microinclusions of diamond-forming fluid

Evolution of a diamond-forming fluid through peridotite/eclogite—transport, reaction, diamond growth, and resorption

From original fluid to laboratory conclusion—entrapment

Cooling/phase separation – microanalysis – reconstruction of bulk composition

Three clocks—diamond growth several billion years ago

Long mantle residence – much younger kimberlite eruption

Evidence hierarchy for age—a specific dated inclusion

Diamond/zone – population – deposit; what may and may not be generalized

Multistage ascent of kimberlite—deep segregation/flow

Fracture transport – acceleration and gas expansion – eruption

Idealized kimberlite system—feeder dike, root zone, diatreme, crater, and erosion level

From the deep mantle to a mine—diamond entrainment

Ascent – resorption – pipe/lamproite – erosion and exploration

Cross section of Earth—the lithospheric population, 410 km, the transition zone, 660 km, and the uppermost lower mantle

Principal superdeep indicators—majoritic garnet, ringwoodite, former bridgmanite + ferropericlase, Ca-silicate assemblages, and metallic Fe–Ni–C–S inclusions

Confidence levels in depth interpretation—preserved high-pressure phase

Multiphase assemblage – retrograde reconstruction – uncertain individual indication

Cross sections of monocrystalline diamond and carbonado—a continuous lattice versus a porous polycrystalline aggregate

Comparison of carbonado, ballas, bort, and framesite—appearance, microstructure, porosity, and geological context

Primary growth habit—octahedron, cuboid, cuboctahedron, and their {111}/{100} faces

Etch atlas—trigon on {111}, tetragon on {100}, hillock, etch channel, and later overprint

Systematic examination of rough—shape

Surface – interior – strain – risk – plan

3D rough with an external mesh, inclusions, and three possible polished plans

Manufacturing flow—documentation

3D scan – mapping – plan – division – bruting – blocking – brillianteering – polishing – inspection

Three levels—weight yield

Value of polished products – net profit after costs and risk

Three plans from the same rough—maximum weight, maximum gross value, and the best outcome after risk/costs

Timeline—natural crystal

Point/table – rose – early brilliant – old mine – old European – transitional – modern round brilliant – laser and 3D planning

Hand bruting with two diamonds versus a mechanical bruting machine—the effect on girdle roundness

Tolkowsky's historical model versus the modern multidimensional space of proportions—without marking one point as universally “ideal”

Profile of a standard round brilliant—table, crown, girdle, pavilion, culet; labeled with standardized English terminology

Round brilliant from above and below—major facet groups labeled; girdle facets shown separately from the traditional count of 57/58

Brilliant, step, and mixed—the same basic anatomical concepts, organized into different facet structures

Three diamonds of equal carat weight—a shallow wide profile, a balanced profile, and a deep narrower profile

The standard round brilliant as an interconnected network—table, crown mains, stars, upper halves, pavilion mains, and lower halves

Brilliant, step, mixed, and modified brilliant—a schematic comparison of facet networks

Matrix of several crown/pavilion combinations—the same individual value, but a different result when its partner changes

“One number is not a cut”—table, crown, pavilion, stars, lower halves, girdle, and symmetry as an interconnected network

Brightness, fire, and scintillation—three different observational phenomena in the same diamond

Light return, distributed leakage, and central windowing—three schematic cross sections

An oval with different intensities of the bow-tie effect; a cushion with broad-flash and crushed-ice virtual patterns

The same diamond—diffuse light, spotlight, overcast day, direct sunlight, and retail lighting

Loose diamond

Optical scan – 3D wireframe – standardized report values

Microscopic examples of polish lines, burn mark, lizard skin, and scratch—labeled as schematic educational graphics, not evidentiary photomicrographs

Idealized round brilliant and four major symmetry deviations—off-center table, off-center culet, non-pointing, and wavy girdle

Metrology workflow—weight

Dimensions – 3D scan – polish – symmetry – finish features – standardized report

Standard round brilliant—57 facets without a culet facet / 58 with a culet facet, with the major facet groups labeled

The seven components of the GIA cut system grouped into appearance, design, and craftsmanship

GIA Cut Grade and the AGS Ideal supplemental report—two related but distinct layers of evaluation

Fancy-shape evaluation—outline

Pattern – motion – windowing/bow tie – face-up size – durability – finish

Oval, pear, marquise, cushion, princess, emerald, radiant, and heart—outline plus typical optical risk only, with no “ideal ratio” numbers

Evidence pyramid—documented provenance at the top, trade/family claim at the bottom

French Blue lead cast

3D model – Hope fit; labeled as a documented reconstruction, not a generic method that always produces an answer

BEFORE documentation

Scenarios – intervention – AFTER documentation

Pink Promise—about 16.1–16.2 ct Fancy Intense

Recut – 14.93 ct Fancy Vivid; an example of a trade-off, not a universal procedure

The four axes of the 4Cs in the center, surrounded by separate circles for identity, treatment, origin, provenance, ownership, and value

4C core

Expanded decision stack: identity, origin, treatment, dimensions, transparency/fluorescence, report, provenance, price

Weight, dimensions, and face-up size—three different axes of one diamond

Two diamonds of equal carat weight but different diameter and depth

Where weight is hidden—the pavilion, girdle, crown, and pavilion bulge

Round versus oval, emerald, and cushion—the same weight, different outline and visible area

Measured weight of a loose stone versus estimated weight of a mounted stone

GIA D–Z scale—23 grades and five broader groups

Standardized color-grading environment—stone, neutral background, and reference diamonds

Table-down laboratory comparison versus face-up appearance in jewelry

D–Z system versus fancy-color system—two different questions

The same color grade in white, yellow, and rose metal—an illustration of environmental influence, not a change in grade

CIBJO and Scan.D.N names alongside the GIA letters—comparison of names per CIBJO Annex B 7.3

GIA clarity scale—FL, IF, VVS, VS, SI, and I

Five clarity-grading factors—size, number, position, nature, and color or relief

Plot versus an actual 3D inclusion—why a diagram is not a photograph

Clarity versus transparency versus durability—three separate axes

Brief atlas of clarity terms with cross-links to Chapters 40–47

CIBJO names for clarity grades—LC and P1–P3 alongside the GIA grades per CIBJO Annex B 7.4

Five approaches to cut grading—proportions, observation, 3D geometry, light performance, and a hybrid system

GIA, AGS Ideal by GIA, IGI, HRD, and GCAL—comparison of scope, not conversion of grades

Why the same name Excellent need not mean the same result

2D report averages versus the actual 3D facet model

Warning against crosswalks—categories from different methodologies are not units of measurement

Fluorescence versus phosphorescence—timeline during and after UV excitation

GIA fluorescence intensities—None, Faint, Medium, Strong, Very Strong

The same diamond under UV-poor light, daylight, and controlled UV illumination

Fluorescence versus haze—two separate causes of appearance

Simple UV lamp

Screening clue; imaging/spectroscopy – laboratory evidentiary layer

Four grading outputs—direct measurement, derived value, observational assessment, and categorical grade

A property continuum divided by grade boundaries; two nearly identical stones on different sides of a boundary

Repeatability and reproducibility—the stone, environment, grader, reference set, instrument, and algorithm

Protocol for comparing two reports—identity, date, scope, condition, type of difference, and reexamination

White light enters a diamond; selective absorption changes the spectrum emerging from the stone

Plastic deformation—dislocations, colored lamellae, and the different optical effects of brown and pink systems

Growth zoning, deformation lamellae, and surface radiation stains as three different spatial distributions of color

The same color center in natural, treated, and synthetic contexts; a body of evidence is required for a conclusion

One hue shown through changes in tone and saturation; areas overlap rather than forming a linear scale

Intensity categories as areas of tone and saturation, not nine equal linear steps

The same colored material in three different facet designs with different face-up intensity and distribution

Protocol for reading a fancy-color report—hue, modifier, intensity, distribution, color origin, and identity

Four main groups of yellow and orange color—Cape/N3, isolated nitrogen, the 480 nm band, and H3

Growth-related yellow color versus deformation-related brown lamellae—different mechanisms, a similar warm perceptual space

Official laboratory color grade versus the trade names canary, champagne, cognac, and chocolate

Plastic deformation, {111} lamellae, and the broad 550 nm absorption band in a natural pink diamond

Natural deformation-related pink versus rare natural NV pink and treated/synthetic NV pink

Fancy Deep/Vivid Pink toward the Fancy red area—hue, tone, and saturation as separate dimensions, without the linear logic that “red is higher pink”

Laboratory Pink/Red grade, an Argyle trade designation, and geographic provenance as three separate layers

Four principal causes of blue–gray–violet appearance—boron, hydrogen-related defects, GR1, and microinclusions

The same GR1 center produced by natural and artificial irradiation—why one spectral indicator is not enough

Blue–gray–violet space—dominant hue, modifier, and physical cause as three separate levels

A zoned blue/gray diamond before and after faceting—multiple reproduction of colored zones

Four principal causes of green color—GR1, H3, hydrogen, and nickel, with overlapping mechanisms

The 480 nm family—yellow/orange/brown and chameleon as overlapping but nonidentical groups

A natural radiation stain, volumetric color, and laboratory irradiation—three different evidentiary problems

Chameleon—stable state, controlled excitation, temporary state, and reversible return

D-color, Fancy white, Fancy black, and salt-and-pepper—four different concepts

Trade name

Measurable features: inclusions, transparency, fractures, surface, shape, and treatment

Fancy black—crystals, clouds, and rare strong absorption as different paths to a similar appearance

Fancy white—nanoinclusions and dislocation structures that scatter light

Three axes—material origin, origin of color, and post-growth treatment

Evidence mosaic—microscopy, type, absorption, PL, imaging, and zoning lead to an integrated conclusion

Natural diamond and synthetic diamond—as-grown, natural-color, and post-growth/treatment pathways

“Origin” is not one word—origin of color versus geographic origin

Dated nomenclature layer—current CIBJO guidance versus the Diamond Commission's 2026 proposal

Protogenetic, syngenetic, and epigenetic inclusions—three temporal relationships to diamond growth

Residual pressure—the inclusion and diamond from mantle to surface, with different elastic responses

From inclusion to geologic conclusion—phase identification, texture, chemistry, P–T model, isotopes, and confidence level

Inclusion age, growth-zone age, whole-diamond age, and kimberlite age as four separate time records

Scientific, clarity, identification, and market value of one inclusion—four independent axes

Temporal relationship of inclusion and host—protogenetic, syngenetic, and epigenetic scenarios, with a warning that morphology and epitaxy alone are not proof

Peridotitic, eclogitic, and websteritic paragenesis—mineral assemblage and chemistry instead of color

Lithospheric and superdeep mineral inclusions—the original high-pressure phase, retrograde product, and confidence level of the interpretation

Analytical sequence—microscopy

Raman/XRD – chemistry – petrogenetic interpretation

HDF compositional space—saline, silicic, high-Mg carbonatitic, and low-Mg carbonatitic endmembers with transitions

Fibrous, coated, and gem-quality diamonds—different modes of preserving a fluid record

Growth-related inclusion versus fluid in a healed-fracture system

Reconstructing a fluid inclusion—present-day daughter phases

Spatial analysis – bulk chemistry – interpretation of the original mobile phase

Crystal, needle, pinpoint, and cloud—the same examination scale, four different clarity terms

Knot, natural, indented natural, and cavity—cross section of their relationships to the polished surface

One crystal and its facet reflections—the actual inclusion versus optical “copies”

Metallic inclusion—a natural deep-Earth context versus an HPHT growth-remnant context, without an automatic diagnosis

Pinpoint

Group of pinpoints – localized cloud – broadly distributed cloud

Internal graining, surface graining, and polish line—three different sources of linear features

Twinning wisp—twin plane, change in orientation, and a series of pinpoints/clouds/crystals

Clarity versus transparency—two stones with different combinations of visible inclusions and overall cloudiness

Enclosed feather, surface-reaching feather, and open fracture—3D cross section through a diamond

Cavity, chip, bruise, and bearded girdle—morphological comparison of surface damage

Crystal with a pressure halo—a solid inclusion, radial fractures, and their reflections

Plot versus an actual 3D fracture—the same 2D symbol, different depth and surface relationship

Dislocation slip system {111}<110>—stress

Dislocation movement – plastic deformation without creating an open fracture

Growth zone versus growth sector—temporal zoning through a crystal and simultaneous crystallographic sectors

The same diamond in four views—ordinary microscopy, crossed polarizers, deep-UV/CL, and a spectroscopic map

Evidentiary sequence—observation

3D position – strain – growth architecture – spectroscopy – conclusion with a stated confidence level

Plot as a 2D map—crown and pavilion views versus the actual 3D positions of the same characteristics

Three separate axes—clarity grade, transparency, and durability—with examples in which they do not move together

Matching check—report

Weight/dimensions – plot – microscopy – inscription – current condition

Integrated examination—identity | clarity/plot | transparency | durability | documentation

Natural diamond, HPHT, and CVD—the same diamond material, three different formation pathways

Four-part classification—natural diamond | synthetic diamond | treated diamond | simulant

Life cycle of a synthetic diamond—seed

Growth – as-grown – post-growth treatment when needed – cutting and polishing – laboratory verification

Documentation layers—material origin | treatment status | quality assessment | physical match to the stone

Schematic HPHT cell—carbon source, metal solvent-catalyst, temperature gradient, and seed

HPHT crystal with {100} and {111} sectors—different incorporation of nitrogen, boron, and metal-related defects

HPHT growth versus HPHT treatment—“creating a crystal” and “subsequently modifying an existing crystal”

HPHT workflow—press cell

Carbon dissolution – transport through flux – crystallization on seed – rough – polished

Microwave-plasma CVD reactor—gas mixture

Plasma – reactive species – heated seed – growth layer

CVD defect chemistry—H/CH4 plasma with possible contributions from N, B, and Si and their effects on growth and optical properties

Layered CVD record—seed

Growth run 1 – boundary – growth run 2 – post-growth processing – polished stone

HPHT versus CVD—pressure, growth medium, seed geometry, typical growth architecture, and possible post-growth steps

Sectoral HPHT growth—seed, {100}/{111} sectors, and different defect distributions

Layered CVD growth—seed interface, step-flow, multiple growth runs, and dislocation bundles

Microscopic characteristic versus analytical conclusion—metallic luster, pinpoint, cloud, and spectroscopic confirmation

Growth atlas—microscopy + strain + deep-UV luminescence + spectroscopic mapping

Growth origin versus post-growth treatment—HPHT-grown, CVD-grown, and CVD-grown/HPHT-treated

Representative treatment pathways—annealing, irradiation, and combined sequences

As-grown CVD and HPHT-treated CVD—preserved growth striations with altered spectroscopic centers

Treatment evidence matrix—growth architecture, color, FTIR, UV-Vis-NIR, PL, and surface

Four levels of testing—material

Screening – origin identification – treatment identification

Pass / Refer / Out of scope—correct meanings of screening results

Identification matrix—microscopy, strain, deep-UV, FTIR, UV-Vis-NIR, and PL

Decision tree for natural / HPHT-grown / CVD-grown / undetermined with a separate treatment layer

Five axes of synthetic assessment—material, origin, growth/treatment, quality, and market value

GIA Quality Assessment since 10/1/2025—Premium, Standard, and below threshold

Institutional report models in 2026—GIA, IGI, HRD Antwerp, and GCAL by Sarine without an artificial crosswalk

Report verification versus physical matching—number, QR, inscription, weight, dimensions, and clarity characteristics

Price chain—rough production

Polished – wholesale – retailer cost – retail – secondary market

Q2 2026 LGD market snapshot—overall index and different behavior of the 1 ct, 1.5–1.99 ct, and 2 ct segments

Ask, bid, realized, appraisal, replacement, and resale—six different economic values

Inventory risk in a market with declining replacement cost—time, acquisition cost, new wholesale price, and markdown

Three axes of a claim—environmental, social, and governance, with example indicators

LCA architecture—functional unit, gate-to-gate, cradle-to-gate, and cradle-to-grave

Electricity is not one claim—physical grid mix, onsite generation, PPA/EAC, and offsets

Claim audit for a diamond—claim

Denominator – boundaries – data – verification – limitations

Four separate axes—natural/synthetic origin, treatment, grade, and durability

Treatment map for Chapters 58–63—laser drilling, fracture filling, HPHT, irradiation/annealing, coating, and combinations

Detection versus disclosure—laboratory evidence and commercial communication as separate flows

Treatment-disclosure workflow—identity

Origin – treatment – stability/care – documentation

Conventional laser drilling—surface opening, channel, and targeted dark inclusion

Differential morphology—laser drill hole versus needle, feather, and natural etch trace

Conventional versus internal laser treatment—two different pathways to an internal characteristic

Laser drilling + fracture filling—two separate treatments in the same stone

Surface-reaching fracture before and after filling—reduced refractive contrast without “healing”

Flash effect versus natural iridescence—appearance changes with viewing angle

Group of fracture-filling indicators—flash, bubbles, flow structures, cloudy areas, and incomplete filling

Mounted inspection—prong, concealed surface connection, and available viewing directions

Three HPHT contexts—HPHT-grown, natural HPHT-treated, and synthetic post-growth HPHT-treated

Brown type IIa before/after—deformation defects, HPHT annealing, and reduced absorption

Screening is not diagnosis—type IIa, graining, strain, and PL as partial indicators

Multimethod workflow—natural origin

Diamond type – UV-Vis-NIR/FTIR – PL/imaging – treatment conclusion

Crystal lattice—formation of a vacancy and GR1 as an optical center

Irradiation

Annealing—a simplified path from vacancies to vacancy–nitrogen centers

Natural versus artificial irradiation—overlap of possible traces and why one marker is insufficient

Origin-of-color workflow—spatial color + spectroscopy + population context

Conclusion

Bulk color versus surface coating—cross-section of a diamond

Partial coating on the pavilion and how internal reflections spread its visual effect

Differential diagnosis—coating, contamination, fracture filling, and natural iridescence

Natural substrate + CVD diamond overgrowth—hybrid architecture versus an ordinary film

Multistep treatment history—how a later step can alter an earlier marker

Three spatial levels—bulk, fracture, and surface modification

Hybrid diamond—natural substrate + CVD overgrowth and the boundary between layers

Hierarchy of confidence—confirmed

Best explanation – possible – undetermined

Hierarchy of questions—material identity

Origin – treatment – quality/value

Natural diamond, synthetic diamond, treated diamond, simulant, and composite—conceptual map

Screening versus identification—pass/refer/confirm logic

Decision tree for an unknown diamond-like stone

How CIBJO names a composite stone—doublet, triplet, and composite, components from the upper part downwards

Diamond, moissanite, and CZ—comparative map of RI, refraction, SG, dispersion, and hardness

Facet doubling in moissanite—the optical principle without turning it into a universal standalone test

Equal geometry, different mass—diamond versus CZ

Diamond-like stone workflow—diamond / moissanite / CZ / other

Material confirmation

Identification hierarchy—material

Origin – treatment/color origin – quality/documentation

Map of methods by question—material identity, origin, treatment, and color origin

Decision tree 66—from intake to a confirmed/refer/undetermined conclusion

Pyramid of evidentiary strength—observation

Measurement – interpretation – integrated conclusion

Thermal-only logic—diamond and moissanite can fall within the same high-conductivity range

DIAMOND result

Natural and synthetic remain two open branches

Correct and incorrect probe contact on a mounted diamond

Troubleshooting decision tree for a handheld tester

The same internal feature under darkfield, brightfield, reflected, and fiber-optic illumination

Differential microscopy—laser drill / fracture-fill flash / coating edge

Microscopy as a crossroads—what it sends to Raman/FTIR/PL/imaging

Minimum microscopy workflow in 12 steps

Schematic UV-Vis-NIR spectrum with the N3, H3, GR1, and 550 nm regions—educational, not an actual laboratory spectrum

Good and poor spectra—baseline, noise, saturation, and stray-light artifacts

Spectrum-reading workflow in 12 steps

Three different color-origin scenarios—yellow, green, and pink—with the limitations highlighted

FTIR vs. Raman vs. PL—bulk type / local phase / defect emission

Raman—the 1332 cm⁻¹ host-diamond feature and a local spectrum of a mineral inclusion

Sampling volume—FTIR bulk path versus a local Raman/PL spot

Multimethod workflow—FTIR + Raman + PL + microscopy/imaging

Point PL versus a spatial luminescence map of the same diamond

Conceptual comparison of natural-growth, HPHT-sector, and CVD-layered patterns

Facet artifact, an actual growth zone, and clipping—how to distinguish them

Imaging workflow—excitation

Map – artifact control – correlation – conclusion

Four axes of an analytical method—detection limit / spatial resolution / sampling volume / destructiveness

XRF versus LA-ICP-MS—what they measure, volume, sensitivity, and destructiveness

Multimodal registration—the same zone on PL, CL, strain, and chemical maps

Escalation ladder—routine methods

Advanced analysis – research collaboration – undetermined

Screening decision tree—PASS / REFER / DETECT / OUT-OF-RANGE

The three ASSURE metrics—false positive / referral / accuracy

Device-selection matrix—sample type / throughput / referral / operator / cost

How to read an ASSURE record—model

Sample – metrics – scope – date – referral workflow

Three separate questions—stone / document / physical match

PDF/QR/screenshot

Official record – physical match

Risk-based anti-fraud workflow from online record to re-examination

Evidence strength—seller file < official record < physical correlation < laboratory re-examination

Laboratory service map—identification / origin / treatment / grading / geographic origin

Grading report versus appraisal/value document

Claim

Scope – examination – report statement – limitations – open questions

Layers of a laboratory report—record, item, measurement, grading, analysis, limitations

Report proportion diagram versus an actual 3D diamond model

Report as of issue date

Change in the stone or technology – need for re-examination

Workflow for reading a laboratory report without exceeding its scope

Repeatability within a system versus agreement between systems

GIA Premium/Standard versus 4C synthetic report architecture—a conceptual comparison

Matrix for the professional comparison of two laboratory reports

Technical, communicative, and market axes of a laboratory system

Report record

Inscription – physical stone as three separate levels of identity

Evidence ladder for physical stone matching

Match iD as a scoped inscription-matching example—what it verifies and what it does not

Physical-matching workflow—from report record to laboratory referral

Overlapping geochemical populations—why “one signal = one country” does not work

Retained-information model—mine/rough

Characterization – polishing – matching – origin report

Hierarchy of geographic-origin evidence

Geographic-origin report workflow—claim

Upstream source – rough record – match – limitations

Chain-of-custody record—transfer, identity, condition, and document

KPCS shipment certificate and WDC SoW as documentary layers versus individual-stone identity

Professional chain-of-custody workflow with split / merge / transformation / gap branches

“Immutable is not true”—data source

Physical binding – digital record

Rough parent

Split/polish – polished child – rebinding

Tracr/GIA case study—platform record + rough identity + polished laboratory match

Risk-based digital verification—claim

Record – physical match – exception handling

Ring anatomy—shank, shoulders, head, gallery, bridge, setting

Design arrangement versus setting technique

Force path—stone

Setting – head – shoulders – shank

Anatomical inspection workflow for finished diamond jewelry

Prong system—bearing, contact, support, and force directions

Retention families—prong, bezel, channel, pavé, flush, tension, invisible

Shape-specific edge/point protection—round, pear, marquise, princess

Setting-selection matrix—protection, snag, inspection, serviceability

Bulk alloy versus surface plating—example of white gold and rhodium

Scratch, patina, deformation, and wear—four different conditions

Fineness mark, hallmark, and laboratory metal analysis—different evidentiary layers

Metal-selection matrix—color, alloy, mechanics, surface, serviceability, marks

Three marks on an article of precious metal—fineness mark, manufacturer’s or supplier’s mark, and state hallmark

Snag versus impact risk—different mechanisms, different design responses

Ring stacking—compatible profile versus conflicting contact zones

Lifestyle-first decision matrix—exposure × stone × setting × alloy × maintenance

Final lifestyle

Jeweler review workflow

Earring backs and stone security—screw back, locking back, and friction back

Bench intake—item / stone / existing condition / documents / authorization

Repair decision tree—tighten / retip / rebuild / replace head / reset / remount

Torch / solder / laser—heat-input area, joining material, and process risk

Intake-to-release workflow—documentation

Risk assessment – process selection – work – QC – final record

Clean versus surface-contaminated diamond—optical effect without a change in cut grade

Home-cleaning compatibility—known materials

Treatment – setting security – gentle method or professional assessment

Jewelry-system care map—diamond / treatment / setting / metal / coating / accompanying materials

Care workflow—identify

Inspect – select method – clean – reinspect – store safely

Laboratory report / appraisal / invoice / insurance / ownership—five different functions

Basis-of-value map—market / replacement / resale / liquidation as different questions

Insurance-policy checklist—item / risk / limit / deductible / territory / settlement / documentation

Protection stack—identity

Laboratory description – valuation – ownership documents – insurance – physical and digital protection

Document before altering—photographs / dimensions / marks / stones / reports / invoices / family and provenance records

Decision tree—preserve / repair / remodel-reset / recut / sell

Recut trade-off—damage removal / optical gain / mass loss / threshold / historical identity

Auction evidence—estimate / reserve / hammer / fees / seller net are not the same figure

All-in budget—stone / setting / metal / side stones / custom work / tax / shipping / documentation / insurance / maintenance

Must-have / nice-to-have / deal-breaker matrix

Carat mass versus face-up dimensions—equal mass, different visible outline

One-page Buyer Brief—purpose / budget / origin / shape / size / quality / treatment / evidence / setting / seller policy

Buyer Brief

Eligibility filter – comparable group – evidence matrix – shortlist

Candidate Comparison Card—report facts / physical-visual facts / seller claims / uncertainty

Equal carat weight—different dimensions and face-up size

Trade-off matrix—visible benefit / evidentiary benefit / practical benefit / additional cost

Seller

Listing – laboratory record – order – payment – shipping – physical item – post-delivery verification

Listing / official report record / physical stone—three connected but separate identities

Return/inspection matrix—law / seller policy / custom exclusions / shipping responsibility

Online purchase workflow—due diligence

Pay – ship – inspect – keep/return

Custom Brief

Actual stone – engineering/design – approval – manufacture – QC – delivery

CAD/rendering/prototype/final piece—what each layer can and cannot establish

Final QC—stone identity / retention / size / finish / side stones / specification match

Custom Order Card—brief / stone / design / approvals / commercial terms / QC / delivery

COST / PRICE / VALUE—three separate concepts and their relationships

Market-level ladder—manufacturer / wholesale / dealer / retail / branded / auction / private

Asking / list / negotiated / transaction / estimate / reserve / hammer / buyer total / seller net

Price-analysis workflow—item

Segment – level – normalize – comparables – uncertainty

Retail purchase

Dealer / consignment / auction / private sale—different exit profiles

Liquidity triangle—time / certainty / exit cost

Gross sale price

Fees / service / tax / logistics – seller net

Investment-thesis stress test—acquisition / rarity / demand / holding / exit / costs / downside

India's historic diamond belts, with a separate note on Borneo

Tavernier

Observation / trade information / later attribution

India

Brazil — change in the world's leading source in the early 18th century

Historical claim confidence ladder

Claim mosaic

Deep mine – capital consolidation

Production

Purchase of outside production – sorting – central selling

Closed compounds and industrial labor-control architecture

Conceptual diagram

Capital / technology / labor

Three axes of South African industrialization

Global diamond value chain

Mining / rough trade / manufacturing / polished trade / finance / logistics / consumer

Surat

Volume dominance versus value share

Dated trade snapshots

Antwerp / India / Dubai, without a single false ranking

Bourse / memo / trade credit / custody

What each layer means

Prestandard trade terms

Shipley's 4Cs mnemonic

1931 GIA

1940s 4Cs – 1953 grading system – 1955 first diamond grading reports

Gemological claim versus marketing claim

The same stone, different information layers

Physical inventory

Shared/virtual inventory – consumer listing

Angola / Sierra Leone / regional flows

The need for an internationally compatible rough-control system

The KP certificate accompanies a rough shipment—not an individual polished stone throughout its entire life

KPCS rough-shipment control versus the WDC SoW B2B warranty layer

Responsible-origin evidence ladder

Claim – scope – evidence unit – verifier – limitations

Large-scale mining versus ASM/alluvial production

Different economics, labor, and governance

Stakeholder engagement

Information, consultation, negotiation, and consent as different levels

Mine life cycle

Exploration – construction – operation – closure – post-closure

Community/mine evidence scorecard

Benefit, cost, rights, environment, closure, and quality of evidence

Where and how diamonds are mined today—open-pit, underground, and alluvial and marine mining

Mining origin / manufacturing origin / processing location / customs origin / current counterparty

EU Article 3p evidence layers

Rough verification/certificate, polished traceability evidence, and due-diligence statement

KPCS / sanctions / traceability / responsible sourcing

Four separate evidentiary layers

Sanctions-origin decision card

Jurisdiction, date, product, threshold, evidence

Famous-diamond dossier

Physical data, documented history, attribution, legend

Tavernier Blue

French Blue – theft in 1792 – Hope 45.52 ct

Cullinan rough

Cullinan I, II, and other polished descendants

Evidence ladder

Measurement, document, provenance, attribution, tradition, legend

Theft / fraud / smuggling / ML-TF / sanctions / title dispute

Different categories

FATF diamond-pipeline risk map

Production – rough – cutting – jewelry – retail

Forensic identity stack

Measurements, inclusions, inscription, images, laboratory data

Incident-response workflow

From evidence preservation to jurisdiction-specific escalation

Technology maturity ladder

Established commercial – model-speculative

Device

Interface – diamond heat spreader – heat sink

NV center

Spin control/readout – magnetic/temperature sensing

Diamond anvil cell

Sample chamber, anvils, and optical access