Lab Test & Certification

Each gemstone is independently tested in a certified gemological laboratory. Advanced gemological instruments and standardized testing procedures are used to ensure authenticity, quality, and natural origin.

• • Visual & Microscopic Examination
• • Optical & Refractive Testing
• • Density & Specific Gravity Analysis
• • Identification of Treatments (if any)

Product Certificate

Certificate ID	ABC | Gem | 101
Weight	5.25 Carat
Shape / Cut	Oval Mixed Cut
Color	Royal Blue
Optic Character	Uniaxial (-)
Refractive Index	1.762 – 1.770
Specific Gravity	3.98 – 4.05
Species Group	Corundum
Remarks	Natural gemstone, no indications of treatment