Best Detector Diamond Apps

246+ iOS apps curated and reviewed

4.2 avg rating

19 free apps

Updated September 2026

Looking for free detector diamond apps? 19 of our 246+ tracked titles are free to download — no subscription, no trial. The rest are premium picks worth paying for.

Compare top Detector Diamond Apps (September 2026)

#	App	Price	Rating	Ads	In-App Purchases	Updated
1	Diamond Tester	Free	4.5★ (59)	No	Yes	Sep 2026
2	Sherlock Holmes Detect	Free	3.7★ (7)	No	No	Sep 2026
3	Diamond Tester & Gem Scanner	Free	3.7★ (9)	No	Yes	Sep 2026
4	Diamond Tester - Scintrix	Free	4.8★ (13)	No	Yes	Sep 2026
5	JTR myReveal	Free	5.0★ (1)	No	No	Sep 2026
6	Diamond tester º	Free	3.3★ (3)	No	Yes	Sep 2026
7	Gemstone Identifier: Diamond	Free	4.0★ (4)	No	Yes	Aug 2026
8	Diamond Identifier & Tester	Free	4.1★ (14)	No	Yes	Sep 2026

Top Picks for Detector Diamond

#1

Diamond Tester by Nicolas Gustavo Melian

Real Diamond Tester

Editor's Choice

4.5(59 ratings)

FreeIn-App Purchases

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Identify real diamonds, gems, and crystals with a photo. Get information on authenticity and estimated value. Organize your findings in a personal collection.

#2

Sherlock Holmes Detect by Mejix

Lab Grown Diamond Detector

Strong Contender

3.7(7 ratings)

Free

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This application connects to a specialized SH box to analyze diamond images. It uses various illuminations to capture photos and distinguish between natural and lab-grown diamonds.

#3

Diamond Tester & Gem Scanner by Usman Jamil

AI Rock, Opal & Crystal Finder

Worth Considering

3.7(9 ratings)

FreeIn-App Purchases

Diamond Tester & Gem Scanner screenshot 1

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Instantly analyze diamonds and gemstones using your iPhone to detect fakes and estimate their value. Get insights into cut, color, clarity, and carat weight, and build a digital collection of your gems.

More Detector Diamond apps to explore

Diamond Tester - Scintrix

Diamond Tester - Scintrix

Diamond Tester - Scintrix

Diamond Scanner & Identifer

This app uses your device's camera to scan and analyze diamonds, providing detailed reports on authenticity, quality, and comparisons to lookalike stones. It helps buyers, collectors, and resellers evaluate gemstones with visual evidence and confidence scores.

Instant diamond scanning via cameraEvidence-based authenticity reportsConfidence scoring for diamond quality

free with in-app purchases

by JTR MUCEVHER TEKNOLOJILERI ARASTIRMA MERKEZI ANONIM SIRKETI

This app enhances the functionality of REVEAL Diamond Detectors, offering advanced tools for professionals to analyze, manage, and store diamond identification data. It accurately detects lab-grown diamonds and simulants, with options for offline access and cloud synchronization.

Seamless device connectivityAdvanced analysis managementLab-grown diamond detection

Diamond tester º

Diamond tester º

Diamond tester º

Diamond detector and scanner

Quickly assess if a stone might be a real diamond using your device's sensors. Get instant feedback without needing tools or experience, ideal for buyers, sellers, or the simply curious.

Test diamonds in secondsSimple and intuitive interfaceNo technical knowledge needed

🎬 Entertainment

free with in-app purchases

Gemstone Identifier: Diamond

Gemstone Identifier: Diamond

Gemstone Identifier: Diamond

Gem Finder Crystal Stone Rock

Identify gemstones instantly by taking a photo. Get detailed analysis including composition, rarity, and value. Save your findings for future reference with this AI-powered tool.

Instant gemstone identification via photoDetailed gemstone analysisScan and save history

free with in-app purchases

Diamond Identifier & Tester

Diamond Identifier & Tester

Diamond Identifier & Tester

Real or Fake Diamond Scanner

Instantly identify and test diamonds and gemstones using your phone's camera. This app analyzes stones to estimate authenticity and provides details on Cut, Color, Clarity, and Carat. Organize your collection and track your scanning history.

Instant diamond identificationAI-powered authenticity testing4C diamond grading (Cut, Color, Clarity, Carat)

Metal detector & Rock ID

Metal detector & Rock ID

Metal detector & Rock ID

Metal Detector & Rock Scanner

This app transforms your device into a metal detector and rock identifier. Use your camera or gallery to scan and learn about rocks, minerals, and crystals, or detect metallic objects with real-time sensor readings.

AI Rock IdentificationMagnetic Metal DetectorGemstone & Fossil Recognition

📊 Productivity

free with in-app purchases

Rock ID : Crystal Identifier

Rock ID : Crystal Identifier

Rock ID : Crystal Identifier

Stone, Gem & Mineral Scanner

Gem Identifier - Rock Detector

Gem Identifier - Rock Detector

Gem Identifier - Rock Detector

Scan Crystals & Value Stones

Rock Identifier AI - StoneScan

Rock Identifier AI - StoneScan

Rock Identifier AI - StoneScan

Crystals, Gemstones & Diamonds

Identify rocks and gemstones instantly by taking a photo. Explore detailed mineral data, build your own collection, and access educational articles written by geologists. Perfect for students, hikers, and jewelry enthusiasts.

AI-powered stone identificationDetailed mineral property dataDiamond and crystal encyclopedia

free with in-app purchases

Detector:Find Lost/Spy Device

Detector:Find Lost/Spy Device

Detector:Find Lost/Spy Device

Find The Lost or Spy Devices

Detect hidden spy devices like cameras and microphones using advanced technology. This app helps you safeguard your privacy by scanning for Bluetooth, magnetic fields, infrared, and Wi-Fi signals. Restore peace of mind by unmasking intrusive gadgets in your surroundings.

Multi-faceted detection (Bluetooth, magnetic, infrared, Wi-Fi)User-friendly interfaceReal-time alerts

Diamond Tester & Scanner

Diamond Tester & Scanner

Diamond Tester & Scanner

Avoid fraud & identify 4C rule

Utilize AI and your phone's camera to instantly estimate diamond authenticity and grade. Identify different diamond types and gemstones, providing detailed information for professionals and consumers alike. Gain confidence in diamond purchases with quick, reliable analysis.

AI-powered diamond realness testEstimate diamond Cut, Color, Clarity, Carat (4C)Identify diamond types and gemstones

free with in-app purchases

GIA Report Check, Made Easy

This app helps shoppers and sellers understand diamond quality using interactive tools and educational content. It allows users to save and share diamond reports, find local retailers, and even match diamonds to their reports.

Interactive 4Cs toolsDiamond buying tips and articlesSave and share diamond reports

quick Diamond Identification

This app helps diamond dealers quickly identify and verify diamonds. It allows registration of diamonds and subsequent scanning to confirm authenticity. It can also check the condition of prongs on mounted diamonds.

Diamond registrationDiamond scanning and verificationProng condition check

Diamond Market Price App

This app provides a comprehensive diamond price list, allowing users to calculate prices per carat, net prices, and diamond list prices. It offers multi-currency support, weekly market updates, and global accessibility with 12 languages.

Diamond price calculatorWeekly market data updatesMulti-currency support

Jewelry Identifier : Gemfy

Jewelry Identifier : Gemfy

Jewelry Identifier : Gemfy

Gold Tester & Gemstone Value

Rock Finder: Stone Identifier

Rock Finder: Stone Identifier

Rock Finder: Stone Identifier

Gem · Mineral · Jewelry

Instantly identify rocks, minerals, and gemstones using AI-powered scanning. Get detailed information on composition, origin, and authenticity. Organize your finds and explore geological insights.

AI-powered rock identificationGemstone authenticity checkerInteractive stone origin map

free with in-app purchases

AR Diamond Company

Visualize and compare diamond rings with augmented reality. Customize carat size, shape, and setting, then browse over a million certified diamonds from top retailers.

Augmented reality diamond ring try-onCustomize carat size, shape, and settingCompare over 1 million certified diamonds

🛍️ Shopping

FAQ about Detector Diamond

What are the best detector diamond apps for iPhone?

Diamond Tester tops our detector diamond apps ranking as of September 2026, with a 4.5-star average from 59 App Store ratings, and it's free to download.

Are there free detector diamond apps for iPhone?

Yes — 19 of the top detector diamond apps we rank are free to download, including Diamond Tester and Sherlock Holmes Detect.

Does Diamond Tester have ads or in-app purchases?

Diamond Tester has no ads and offers in-app purchases, according to its App Store listing as of September 2026.

How many detector diamond apps are on the App Store?

We track 246+ detector diamond apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.

How does Diamond Tester work?

Diamond Tester uses your device's camera to take a photo of a diamond, gem, or crystal. The app then analyzes the image to provide information about its authenticity and an estimated value.

What kind of items can Diamond Tester identify?

Diamond Tester can identify diamonds, gems, and crystals. For best results, ensure the item is placed in a clean, well-lit area before taking a photo.