DiamondMaster
商务
- 创作者
- Wayne D. Prentice, G.G.
- 平台
- iOS
TROY DIAMOND REPORT®是钻石专业人士、宝石学家、评估师、投资者和交易商的必备工具。能在数秒内快速比较钻石,涵盖超200万种批发价值排列及天然与实验室培育钻石定价。其“Bright List”是新一代全球批发钻石市场指南,可追踪13种交易媒介、8C标准下的钻石价格,包括4C及切割等级、成本、过去1年和5年价值变化、产地等,还能计算天然钻石增值率,助您了解本地市场保值钻石。
商务
TROY DIAMOND REPORT®是钻石专业人士、宝石学家、评估师、投资者和交易商的必备工具。能在数秒内快速比较钻石,涵盖超200万种批发价值排列及天然与实验室培育钻石定价。其“Bright List”是新一代全球批发钻石市场指南,可追踪13种交易媒介、8C标准下的钻石价格,包括4C及切割等级、成本、过去1年和5年价值变化、产地等,还能计算天然钻石增值率,助您了解本地市场保值钻石。
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ONE DIAMOND. TWENTY-SEVEN WAYS TO MEASURE ITS VALUE.
What changes when you measure a diamond in gold instead of dollars? Or Bitcoin instead of Swiss francs?
DiamondMaster helps diamond professionals, gemologists, appraisers, buyers and traders explore wholesale reference values for Mined-Natural and Grown-Created diamonds. Compare classifications, adjust your pricing basis, and see how a different exchange unit changes the picture.
Developed by Wayne D. Prentice, Graduate Gemologist and former GIA Resident Gemology Instructor, DiamondMaster brings gemological knowledge and the BrightList wholesale reference guide together on iPhone and iPad.
EXPLORE THE 8 C'S
Cut Shape, Carat, Color, Clarity, Cut Grade, Cost, Change in Value and Creation—the diamond's natural or laboratory-grown origin.
• 10 shapes: Round, Pear, Emerald, Princess, Marquise, Oval, Radiant, Cushion, Trilliant and Heart.
• Shape-specific carat selections, with 46 categories for Round, from 0.01 ct through the 10–10.99 ct range.
• 10 color grades, D–M, and 10 clarity grades, IF–I-3.
• Five cut-grade selections, Excellent through Poor.
• Separate natural and lab-grown reference datasets.
• Per-carat and total reference values, dimension guidelines, grading descriptions and shape-specific gemological information.
27 COST UNITS WITH BRIGHTLIST
Keep the diamond selection. Change the measuring stick.
12 currencies:
USD, EUR, JPY, CHF, CAD, GBP, AUD, BRL, RUB, INR, CNY and ZAR.
2 basket references:
• XDR: the IMF's Special Drawing Right.
• XUNT: DiamondMaster's calculated reference for the proposed gold-and-currency BRICS+ "THE UNIT" basket.
6 precious-metal units:
• Gold (XAU), platinum (XPT) and silver (XAG), each by troy ounce.
• Gold by gram: Denari (XDEN).
• Gold by 100 grams: Centum (XCEN).
• Gold by kilogram: Milia (XMIL).
7 crypto assets:
Bitcoin (BTC), Ethereum (ETH), Litecoin (LTC), Cardano (ADA), Solana (SOL), PAX Gold (PAXG) and Zcash (ZEC).
COMPARE ACROSS TIME
Natural-diamond screens s…
SAME DIAMOND QUALITY. A WIDER WORLD OF VALUE.
Version 7.0.1: in addition to bug fixes this update expands DiamondMaster's subscriber selection from 13 to 27 Cost units, bringing more ways to compare Mined-Natural and Grown-Created diamond reference values, and changes between cost units - revealing the true reality of wealth: letting you see instantly whether your diamond is genuinely appreciating, or if your chosen currency is losing its purchasing power.
MORE CURRENCIES
Compare in 12 fiat currencies, including the addition of the South African rand (ZAR).
MORE PRECIOUS-METAL REFERENCES
Explore gold, platinum and silver by troy ounce. Gold also has dedicated gram, 100-gram and kilogram choices: Denari (XDEN), Centum (XCEN) and Milia (XMIL).
CRYPTO COMPARISONS
Express diamond reference values in BTC, ETH, LTC, ADA, SOL, PAXG and ZEC, alongside currencies and metals.
A NEW SOVEREIGN BASKET PERSPECTIVE
Explore XUNT, DiamondMaster's calculated reference for the proposed gold-and-currency BRICS+ "THE UNIT" basket (XUNT), alongside the IMF's Special Drawing Right (XDR). Follow the East's core decentralized unit who's value that is backed by 40% physical gold held in Central Banks vs the West's core centralized unit (IMF/Federal Reserve) that is backed by debt of 5 top global economies debt/FIAT weighted according to GDP.
DAILY EXCHANGE-DATA REFRESHES
Currency, metal and crypto reference updates bring a broader exchange perspective to your calculations. Refreshes depend on connectivity and source availability; earlier saved or supplied values may remain in use.
PUT THE NEW UNITS TO WORK
Keep the same diamond classification and switch Cost units. Natural-diamond screens show 1-year and 5-year percentage changes in the selected unit where positive gains-appreciation-inflation are displayed in green, and negative losses-devaluation-deflation are displayed in red. The Global Value Adjuster now has a higher range to apply a preferred discount or premium for your use: if buying or selling for wholesale, retail valuation, cash-estate values, to distress liquidation.
Historical BRICS+ XUNT comparisons earlier than the "Pumpkin" October 31, 2025 cast date are reconstructed and the refreshed PAXG 5-year reference (before PAXG's minting date) uses gold as a proxy. Historical percentages are available for natural diamonds; lab-grown screens show per-carat and total reference values.
An active BrightList subscription is required for subscriber data and all 27 Cost units. Unsubscribed users can continue exploring with older demonstration data.
Already subscribed? Open Subscription Options and use Restore Subscription if your access does not appear after updating or changing devices.
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