KMS Tyre Trade Centre
Home
Database
Scanner
Certificate
Saving Guide
SG Checker
RI Checker
Blog
Professional Gem Certificate
Gem Certificate Generator
Official Certification for Your Precious Gemstones
Certificate Details
Gemstone Name
Color
Origin
Specific Gravity (SG)
Refractive Index (RI)
Hardness (Mohs)
Carat Weight
Certificate Number
Date
Additional Notes
Generate Certificate
Auto Scan (SG + RI)
Certificate Preview
Download
Print
80%
✦
KMS Tyre Trade Centre
Professional Gemological Laboratory
✦ GEM CERTIFICATE ✦
Certificate No:
KMS-2026-0001
Ceylon Blue Sapphire
Color
Blue
Origin
Ratnapura, Sri Lanka
Specific Gravity (SG)
4.000
Refractive Index (RI)
1.762-1.770
Hardness (Mohs)
9
Carat Weight
1.50 ct
Notes
Natural, Untreated
Date Issued
July 5, 2026
About This Certificate
Professional Certification:
Official gemstone certificate from KMS Tyre Trade Centre
QR Code Verification:
Scan the QR code to verify authenticity at
sunmoonbay.co.uk
Auto Scan:
Automatically detects SG and RI values for accurate identification
Zoom:
Use the slider to zoom from 10% to 100%
Download & Print:
Save as PNG or print for physical records
This certificate is for reference purposes. Always consult a professional gemologist for critical decisions.