# DiamntX Calculator > The fastest app for branded diamond quotes. The only diamond pricing app with full offline access, live Rapaport rates, and branded price cards. Last updated: 2026-08-27 ## About DiamntX Calculator is a mobile-first, B2B diamond pricing app powered by real-time Rapaport pricing. It is built for diamond vendors, brokers, buyers, manufacturers, and exporters who need accurate, instant quotes in any currency. ## Direct answers ### What is DiamntX Calculator? DiamntX Calculator is a professional diamond pricing app built for the diamond trade. It calculates accurate market prices for any diamond using live Rapaport data and the 4C specifications: carat weight, cut, color, and clarity. The app is free to download and free to use, with no subscription required. ### Is DiamntX free? Yes. DiamntX Calculator is completely free to download and free to use, with no subscription, no in-app purchases, and no hidden fees. All core features are available at no cost. ### Who is DiamntX built for? DiamntX is built for B2B diamond trade professionals: diamond traders, wholesalers, manufacturers, exporters, importers, jewelry retailers, jewelry manufacturers, procurement teams, gemologists, and pricing analysts. ### How accurate are DiamntX prices? DiamntX calculates prices using the official Rapaport weekly price list, the same benchmark the global diamond trade relies on. Your input of shape, color, clarity, carat weight, and discount percentage produces the exact Rapaport-based market price with no estimates or approximations. ### Can I share quotes from DiamntX? Yes. DiamntX lets you create and share professional, branded price cards directly from the app. Add your company name and logo, then share to WhatsApp, email, or any messaging platform — the entire process takes under thirty seconds. ### Does DiamntX work offline? Yes. After a single sync with the Rapaport price list, DiamntX works fully offline. The price book is stored on your device, so you can calculate diamond prices on the trade-show floor, in vault rooms, and anywhere reliable Wi-Fi is not available. ### Which currencies does DiamntX support? USD, INR, EUR, AED, GBP, and other major currencies used across global diamond trading markets. You can switch currencies directly on the calculation screen without interrupting your workflow. ### Which devices does DiamntX support? DiamntX Calculator is available on both iOS and Android. The app requires iOS 18 or later for iPhone users and Android 10 or later for Android users. The app is approximately 24 MB and is free on the Apple App Store and Google Play Store. ## How to quote a diamond 1. **Pick the shape** — round, oval, pear, princess, emerald, asscher, marquise, radiant, heart, trillion, cushion, or baguette. 2. **Set color, clarity, and carat** — tap the colour grade (D–M), the clarity grade (FL–I3), and drag the carat slider. 3. **Read the live quote** — apply your discount or premium and read the live total in your local currency. ## Features ### Live Rapaport pricing The rate updates itself so you never have to. ### Instant 4C Calculator You have the price before they finish describing the stone. ### Multi-stone combination Price the entire lot while the buyer is still watching. ### Multi-currency Every currency your buyer uses is already inside. ### Calculation history DiamntX remembers every quote so you never have to. ### Branded price cards Your name on every price card, every single time. ## Who it is for - **Vendors / Suppliers** — Instant on-the-spot pricing for buyers. - **Brokers** — Fast multi-stone quotes during client meetings. - **Buyers** — Verify pricing & negotiate with confidence. - **Manufacturers** — Quick internal price checks & benchmarking. - **Exporters** — Multi-currency quoting for cross-border deals. ## Where it is used Diamond traders use Diamntx across these hubs: Mumbai, Surat, Antwerp, New York, Tel Aviv, Dubai, Hong Kong, Bangkok, Johannesburg, Geneva. ## Frequently Asked Questions ### What is DiamntX Calculator? DiamntX Calculator is the best diamond pricing calculator app built for the diamond trade. It calculates accurate market prices for any diamond using live Rapaport data and the 4C specifications: carat weight, cut, color, and clarity. Professionals use DiamntX to price diamonds instantly, share branded price cards on WhatsApp, and work fully offline without an internet connection. The app is free to download and free to use, with no subscription required. ### Does DiamntX require a separate Rapaport subscription to use live pricing? No. DiamntX is a free diamond pricing calculator app that syncs directly with the Rapaport price list inside the app at no extra cost. You do not need a Rapaport subscription. The app is free to download, free to use, and accesses live Rapaport diamond pricing data from start. ### Who is DiamntX built for? DiamntX is built for B2B diamond trade professionals including diamond traders, wholesalers, manufacturers, exporters, importers, jewelry retailers, jewelry manufacturers, procurement teams, gemologists, and pricing analysts. It is designed for professionals who price diamonds regularly as part of their daily workflow and need fast, accurate, Rapaport-based calculations available on a mobile device. ### How accurate are the diamond prices calculated inside DiamntX? DiamntX calculates prices using the official Rapaport weekly price list, the same benchmark the global diamond trade relies on. Your input of shape, color, clarity, carat weight, and discount percentage produces the exact Rapaport-accurate diamond price per carat with no estimates, no averages, and no approximations. ### Can I share price quotes with my clients using DiamntX? Yes. DiamntX lets you create and share professional, branded price cards directly from the app. You can add your company name and logo to every price card before sharing, so clients receive a polished document representing your business rather than a plain screenshot. Price cards can be shared directly to WhatsApp, email, or any messaging platform on your phone. The entire process takes under thirty seconds. ### Does DiamntX Calculator work offline? Yes. DiamntX Calculator works fully offline after a single sync with the Rapaport price list. Once synced, your device stores the current Rapaport data locally, so you can calculate diamond prices without an internet connection. This makes DiamntX ideal for trade show floors, vault rooms, and any environment where reliable Wi-Fi is not available. The app will automatically sync the latest rates the next time you connect. ### Which currencies does DiamntX Calculator support? DiamntX Calculator supports multiple currencies including USD, INR, EUR, AED, GBP, and other major currencies used across global diamond trading markets. You can switch between currencies directly on the calculation screen without interrupting your workflow. This is particularly useful when working with international buyers who prefer to see prices in their local currency. ### Which devices and operating systems does DiamntX support? DiamntX Calculator is available on both iOS and Android. The app can be easily downloaded from the Apple App Store or Google Play Store at no cost. DiamntX is optimized for mobile use and is designed to work smoothly across all recent smartphone models. ## Pages - [https://diamntx.com](https://diamntx.com): Diamntx Calculator landing page — live Rapaport diamond price calculator for the B2B trade. - [https://diamntx.com/privacy](https://diamntx.com/privacy): Privacy policy. - [https://diamntx.com/terms](https://diamntx.com/terms): Terms of service. ## Download - App Store: https://apps.apple.com/in/app/dx-diamond-price-calculator/id6762551363 - Google Play: https://play.google.com/store/apps/details?id=com.app.diamntx ## Citation Cite as: DiamntX Calculator (https://diamntx.com). Free B2B diamond pricing app.