About
Identify gemstones using optical and physical properties like a professional. Features detailed guidance for instrument testing and collection management. Includes a database of 119 gems, from common to rare.
What's New in GemID
1.10.2
May 4, 2026
New Features - Quick ID mode — observable-only identification for beginners (no instruments required) - "What Test Next?" drill question type — trains users on test sequencing - Confusion pair drill mode — focus practice on commonly confused gems (130 gems enriched with confusedWith pairs) - Gem-A FGA Section D exam simulator — partial credit scoring, constants sheet, strike system - FEEG 12-stone European Gemmologist exam simulator - Half-exam options for Gem-A (6 stones, 1h35m) and FEEG (6 stones, 2h15m) - Exam readiness score — tracks preparedness before attempting mock exams - Guided onboarding walkthrough — interactive Ruby identification that teaches the workflow step-by-step - Exam study guide pages — static web pages for GIA, Gem-A, and FEEG prep
MoreSubscription plans
Hobbyist Annual
Hobbyist Annual Package
FAQ
What gemstones can GemID identify?
GemID has a database of 119 gems, including common stones like quartz and topaz, as well as rarer collector gems such as alexandrite, tanzanite, and demantoid garnet.
Does GemID offer guidance for using gemological instruments?
Yes, GemID provides step-by-step guidance for using instruments like refractometers, polariscopes, spectroscopes, UV lamps, and for specific gravity testing.
Can GemID help identify if a stone is natural or lab-grown?
The Pro version of GemID includes a two-phase testing workflow designed to help identify natural versus lab-grown stones and detect common treatments.
What are the subscription options for GemID?
GemID offers several subscription plans, including Hobbyist Monthly ($6.99), Pro Monthly ($19.99), GemID Team Pro (Monthly) ($49.99), Hobbyist Annual ($49.99), and Pro Annual ($149.99).
Does GemID have ads?
No, GemID does not contain advertisements. The app is free to download and use, with optional in-app purchases for advanced features and subscriptions.
What devices is GemID compatible with?
GemID is supported on iPhone, iPad, and iPod devices, making it accessible to a wide range of Apple users.
How often is GemID updated?
The latest version of GemID is 1.10.2, and it was last updated on May 4, 2026. This indicates a recent update, suggesting ongoing development and support.
Can I export my gemstone identification records?
Yes, GemID allows you to save identified stones to profiles, track acquisition details, and export professional examination records for your collection.