Diamond Tester
Nicolas Gustavo Melian Utilities iPhoneiPadiPod touch
Diamond Tester is a free Utilities app for iPhone and iPad by Nicolas Gustavo Melian. Rated 4.5/5 from 65 ratings. Requires iOS 17.6. Updated May 14, 2026.
- Rating
- 4.5
- 65 ratings
- Price
- Free
- on the App Store
- Size
- 12 MB
- Age 4+
- Updated
- May 14
- 2026 · v1.1.0
Screenshots
About Diamond Tester
Diamond Tester helps you explore and learn about diamonds, gems, and crystals through visual reference. Take a photo of any stone in your collection to receive educational information about its visual characteristics and properties. KEY FEATURES - Visual identification reference for gemstones and crystals - Educational information about the 4 C's (Cut, Clarity, Color, Carat) - Value range estimates based on visible characteristics - Personal collection management to organize your scans - Learn section with gemology basics and stone properties HOW TO USE For best results, place your stone in a clean, well-lit area and take a clear photo. The app will provide visual reference information and educational content related to the characteristics it identifies. PERFECT FOR - Jewelry enthusiasts learning about gemstones - Collectors organizing their stone collections - Students studying gemology basics - Anyone curious about the gems they own - Quick reference for visual stone characteristics YOUR COLLECTION Build and organize your personal gemstone library. Save scans, add notes, and track your collection over time. All data stays on your device. IMPORTANT INFORMATION This app is an educational reference tool. The information provided is for general learning purposes and visual identification reference only. It is NOT a substitute for professional gemological testing or appraisal. For authentication, valuation, or any decisions involving significant financial value, always consult a certified gemologist (GIA, AGS, or equivalent) who can perform proper testing with calibrated equipment. The app cannot definitively verify the authenticity, grade, or precise value of diamonds, gemstones, or crystals. Visual identification has inherent limitations and should be used as a starting point for learning, not as final verification. ____________ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://meliann.notion.site/Privacy-Policy-For-Diamond-Tester-2a3476f8f041805cb09cea52c0f092d1?pvs=73
Ratings & reviews
4.5
65 ratings
What’s new
Version 1.1.0 · Updated May 14, 2026
- Updated app information and educational content - Improved visual reference guide - Performance improvements and bug fixes
App privacy
The developer, Nicolas Gustavo Melian, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Diamond Tester
Looking for apps like Diamond Tester? Here are 6 similar apps on the App Store. The highest rated is Diamond Tester: Scan AI (5.0/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Diamond Tester | 4.5 / 5 (65 ratings) | Free | May 14, 2026 | |
| Diamond Tester - Scintrix | 4.8 / 5 (13) | Free | Jul 29, 2026 | Compare |
| Diamond Identifier & Tester | 3.9 / 5 (17) | Free | Aug 28, 2026 | Compare |
| Diamond Tester: Scan AI | 5.0 / 5 (4) | Free | Jun 25, 2026 | Compare |
| Gemstone Identifier: Diamond | 4.0 / 5 (9) | Free | Mar 13, 2025 | Compare |
| Rock Identifier AI - StoneScan | 4.4 / 5 (90) | Free | Oct 9, 2026 | Compare |
| Gold Identifier & Scanner | 4.8 / 5 (18) | Free | Jul 29, 2026 | Compare |
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