Is Your Stone
Truly Genuine?
Expert gemological verification for diamonds, rubies, emeralds, and sapphires. Trusted by collectors, jewelers, and investors worldwide.
GIA Certified
Gemological Institute
Lab Verified
Spectroscopic Analysis
Tamper-Proof
Blockchain Certificate
72-Hour Report
Fast Turnaround
The Process
How It Works
Submit Your Stone
Ship your gemstone securely to our certified lab using our prepaid, insured packaging.
Expert Analysis
Our GIA-trained gemologists perform spectroscopic, microscopic, and refractive index testing.
Receive Certificate
Get a tamper-proof digital and physical certificate with full grading details within 72 hours.
Specializations
Stones We Certify
Diamond
South Africa · Botswana
D–Z Color · IF–I3 Clarity
- ◆Thermal conductivity
- ◆Refractive index 2.42
- ◆Hardness 10 Mohs
Ruby
Myanmar · Mozambique
Pigeon Blood · Vivid Red
- ◆Chromium fluorescence
- ◆Silk inclusions
- ◆UV reaction
Emerald
Colombia · Zambia
Vivid Green · Minor Oil
- ◆Jardin inclusions
- ◆RI 1.57–1.58
- ◆Chelsea filter
Sapphire
Kashmir · Sri Lanka
Royal Blue · Cornflower
- ◆Asterism check
- ◆RI 1.76–1.77
- ◆Heat treatment
Client Stories
Trusted by Experts
"GemVerify's certificate gave me complete confidence purchasing a 3ct Kashmir sapphire at auction. Indispensable."
Margaret H.
Private Collector, London
"The 72-hour turnaround is remarkable. Their spectroscopic reports are accepted by every major auction house I work with."
Rajan P.
Jewelry Dealer, Mumbai
"I inherited a collection of rubies. GemVerify identified two synthetics I would never have caught. Worth every penny."
Claire D.
Estate Buyer, New York
Ready to Verify
Your Stone?
Submit your gemstone today and receive a comprehensive authenticity certificate backed by GIA-trained experts and advanced spectroscopic analysis.
