News Blog
Expert Services
Expert Services
Expert Services
Jewelry Appraisals
Damage & Restoration Advisories
Risk Analysis for Insurance
Inventory & Collateral Audits
Forensic & Litigation Support
Law Enforcement Support
Donald A. Palmieri Bio
Palmier's Market Monitor
Contact Us
Lab Services
Lab Services
Lab Services
Cut Analysis
Diamond Journey
Photography
Gemprint
Laser Inscription
Quality Assurance
Natural Diamond Verification
Precious Metal Testing
Grading & Certification
Grading & Certification
Grading & Certification
GCAL
Cut Grade
Natural Diamonds
Lab Grown Diamonds
Fine Jewelry
Colored Diamonds
Colored Gemstones
Cultured Pearls
Verify Your Certificate
Jewelers Mutual Insurance
New Client Application
Submission Instructions
Elements of a Guarantee Certificate
4c's Learning Center
4c's Learning Center
4c's Learning Center
Diamond Carat Weight
Diamond Color
Diamond Clarity
Clarity Photomicrograph Gallery
Diamond Cut
Diamond Certification
How the 4C's Affect Price
Beyond the 4Cs
Instructional Diamond Grading
Jewelry Consumer Resources
The GCAL ADVANTAGE
The GCAL ADVANTAGE
The GCAL ADVANTAGE
About GCAL By Sarine
Our Philosophy
Our Standards
Our Guarantee
ISO 17025 Accreditation
Diamond Journey
GCAL CV
Testimonials
In the Media
Contact Us
Blog
Certificate No.
290420168
Gem Grading Analysis
Gem Stone
4/4/2019
Shape
Round Brilliant
Measurements
4.72 - 4.78 x 2.97
Carat Weight
0.45
Gemstone Species
Natural Corundum
Gemstone Variety
Natural Sapphire
Color
greenish Blue
Treatment
Heat Treated
Geographic Origin
Montana, USA
Laser Inscription
"AKARA" and "290420168"
Certificate No.
290420168
Round Brilliant 0.45ct
Certificate
Gemprint
Laser Inscription
Proportion
Certificate
Gemprint
×
Gemprint
Laser Inscription
×
Laser Inscription
Proportion Diagram
×
Proportion Diagram
GEM Grading Analysis
Gem Stone
4/4/2019
Shape
Round Brilliant
Measurements
4.72 - 4.78 x 2.97
Carat Weight
0.45
Gemstone Species
Natural Corundum
Gemstone Variety
Natural Sapphire
Color
greenish Blue
Treatment
Heat Treated
Geographic Origin
Montana, USA
Laser Inscription
"AKARA" and "290420168"
×
Top Image
×
Certificate