DiamondMaster vs Rapaport Trade (RapNet)
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DiamondMaster
This app provides wholesale diamond pricing and market analysis for professionals. It compares mined and lab-grown diamonds across multiple grading systems and currencies, offering insights into value appreciation and depreciation.
- Compares mined and lab-grown diamonds
- Wholesale value comparisons
- 13 mediums of exchange and 8 C's
- 4 grading systems displayed simultaneously
- Dimension guidelines for shapes and carat weights
- Tracks value appreciation/depreciation
- Global price adjuster
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AN ESSENTIAL TOOL FOR DIAMOND PROFESSIONALS, GEMOLOGISTS, APPRAISERS, INVESTORS AND TRADERS OF DIAMONDS. ◆ TIME SAVER: Quickly compares in seconds between diamonds: over 2 million permutations of wholesale values and between Gemological Equivalent "Mined" AND "Lab Grown" Diamond Pricing! "Bright List" from TROY DIAMOND REPORT® developed by Wayne D. Prentice, Graduate Gemologist and former Resident Gemology Instructor at the Gemological Institute of America (GIA) is your next generation Global Wholesale Market Guide on "Mined" and "Lab Grown" Diamonds! Follow Wholesale Diamond Prices in 13 Mediums of Exchange and by 8C's!! The 4C's of Cut Shape, Carat, Color, Clarity, plus "Cut Grade", "Cost", "Change in Value" over the last Year and 5 years and "Creation"! Appreciation Rates (or Depreciation) are calculated on every Mined Diamond Classification, revealing which diamond(s) are maintaining value in your localized market. This App quickly calculates every diamond's total cost, % change-in-value in each selected currency, and exchange to Troy ounces of gold - the universal unit of utility! ◆ 10 Cut Shapes - Round Brilliants and EACH "Fancy Shape" - Pear, Emerald Cut, Princess, Marquise, Oval, Radiant, Cushion, Trilliant & Heart (vs Rapaport's 2) ◆ 46 Carat Categories - from 1 point to 10 carats (vs Rapaport's 18) ◆ 10 Color Grades - D to M (GIA). ◆ 10 Clarity Grades - FL to I-3 (GIA). ◆ 13 Cost References: 11 Currencies - U.S. Dollar (USD), Euro (EUR), Swiss Franc (CHF), Russian Ruble (RUB), Canadian Dollar (CAD), British Pound (GBP), Japanese Yen (JPY), Brazilian Real (BRL), Australian Dollar (AUD), Chinese Yuan/Renminbi (CYN), Indian Rupee (INR), plus value in Exchange to Gold's Annual Moving Average stated in Troy Ounces (XAU) and a "Basket of Currencies Unit" - IMF's Special Drawing Rights (XDR). Whenever a diamond’s wholesale value is changing relative to the "Basket or Gold" it is truly changing! ◆ 4 GRADING SYSTEMS SIMULTANEOUSLY DISPLAYED: Gemological Institute of America (GIA), International Diamond Council (IDC), American Gem Society (AGS), and Russian Grading System (TU). DiamondMaster is the only diamond pricing App that displays all 4 international standards! ◆ Dimension Guidelines on every Shape & Carat Weight - verify properly cut diamond by weight and mm dimensions, compare sizes between Shapes and Budget! ◆ Per Carat and Total Diamond Value ◆ Displays Percentage of Change on “Mined” Diamond values over last year and 5 Years periods! ◆ Understand which Diamond Classifications and Markets are Appreciating or Losing Value at the Highest Rates! ◆ Global Price Adjuster: Reset the wholesale list prices to display to your personal preferences. Wholesalers can display at their desired discount, retailers at their desired premium and investors according to their needs whether selling, buying or evaluating for investment. ◆ Educational-Gemology on every cut shape ◆ Requires iOS 11.0 or later Subscribe to a In-App-Purchase Subscriptions to display the latest "Bright List": ◆ Week - $6.99 USD ◆ Month - $24.99 USD - SAVE 10% ◆ 1/2 Year - $109.99 USD - SAVE 39%! ◆ Year - $199.99 USD - SAVE 45%! • Payment will be charged to iTunes Account at confirmation of purchase. • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable. —Privacy Policy link: https://www.troydiamondreport.com/diamond-prices/privacy_policy.asp —Terms of Use link: https://www.troydiamondreport.com/diamond-prices/terms_of_use.asp
Rapaport Trade (RapNet)
Access a vast global marketplace for diamonds, jewelry, and gemstones on your mobile device. Search, price, connect, and trade billions in daily listings with real-time alerts and secure transaction tools. Stay informed with market insights and connect with verified industry professionals worldwide.
- Global B2B diamond, jewelry, and gemstone market access
- Search and compare millions of items with advanced filters
- Real-time pricing tools and market insights
- Instant alerts for messages, offers, and updates
- Mobile trading and secure transaction capabilities
- Connect with verified industry professionals
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The Rapaport Trade (formerly RapNet) app gives you full access to the world’s largest professional marketplace for natural diamonds and gems in the palm of your hand. Find any stone at the best price by searching nearly 2 million listings from verified suppliers around the world, with NO commission or transaction fees. Search natural diamonds with advanced filters, price diamonds using the Rapaport Trade Pricing Calculator, and evaluate opportunities with real market data. The Rapaport Trade app lets you deal directly with buyers and sellers without a middleman, helping you move faster and negotiate with confidence. Whether you are sourcing, selling, or pricing stones, Rapaport Trade is at your fingertips on the go. Built for diamond and gem professionals who need on-the-go inventory access, accurate diamond pricing, and trusted trading relationships. Key Features • Find any natural diamond or colored gem from trusted global sellers • “Best Match” search provides more relevant results • Price natural diamonds using the Rapaport Trade Pricing Calculator & TradeScreen • Deal directly with buyers and sellers with an integrated chat and trade center • Source natural colored gems and finished jewelry in one seamless platform • Easily share stones that include your markup with potential clients
Screenshots
Verdict
The clearest difference is in-app purchases: Rapaport Trade (RapNet) at none against DiamondMaster's 4. Rapaport Trade (RapNet) also leads on ratings volume (331 vs 5). DiamondMaster's advantage is ads (none vs shown) and review sentiment (75% vs 62%). On price, rating, update cadence and monetization model there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. DiamondMaster sells 4 in-app purchases, starting at $6.99 per 7 days. Rapaport Trade (RapNet) asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.0 for DiamondMaster against 4.0 for Rapaport Trade (RapNet). That said, the two scores are not equally well evidenced: Rapaport Trade (RapNet) has 331 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 75% of DiamondMaster's written reviews are positive against 62% of Rapaport Trade (RapNet)'s.
DiamondMaster ships an update every 5 weeks, Rapaport Trade (RapNet) every 3 weeks. The most recent releases landed on September 19, 2026 and September 26, 2026 respectively.
| Parameter | DiamondMaster | Rapaport Trade (RapNet) |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (5 ratings) | 4.0 (331 ratings) |
| Positive reviews | 75.0% of reviews — better | 61.9% of reviews |
| Number of ratings | 5 | 331 — better |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 35 MB | 74 MB |
| Age rating | 4+ | 4+ |
| Developer | Wayne Prentice | Rapaport |
Customer experience
DiamondMaster
Rapaport Trade (RapNet)
Bugs and requests
DiamondMaster
Not enough reviews yet to summarise bugs or requests.
Rapaport Trade (RapNet)
Reported bugs
10 issues- Articles fail to upload in news section
- App crashes immediately upon opening after update
- Price calculator not updating
- Price list displays all zeros
- Point button not working
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- App freezes on fancy diamonds but works on rounds
- Price changes never display, just freezes
- Clarity and color selection do not align properly
- Frequent need to restart app
- Extended download and update times
Requested features
10 requests- Offline support and offline calculator
- iPad app with full line details
- Different colors for Rounds vs Fancy Shapes lists
- View personal inventory within app
- Recut option for calculator
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- User comments on stones
- Member lookup by RapNet number
- Stay logged in functionality
- Free diamond calculator option
- iPhone X support
In-app purchases
DiamondMaster
- Wholesale "Bright List" 1 wk.$6.997 Days
- Wholesale "Bright List" 1 mo.$24.991 Month
- Wholesale "Bright List" 6 mo.$109.996 Months
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- Wholesale "Bright List" 1 yr.$199.991 Year
Rapaport Trade (RapNet)
No in-app purchases
Questions
Is DiamondMaster free?
Is Rapaport Trade (RapNet) free?
Which has better reviews, DiamondMaster or Rapaport Trade (RapNet)?
Do DiamondMaster or Rapaport Trade (RapNet) have ads?
Which is updated more often, DiamondMaster or Rapaport Trade (RapNet)?
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