Gem Value Assessment
How to assess and determine the value of gemstones
Key Valuation Criteria
Color
Hue, tone, and saturation affect value significantly
Clarity
Fewer inclusions generally mean higher value
Cut
Quality of cut affects brilliance and value
Carat Weight
Larger stones are rarer and more valuable
Origin
Provenance can significantly impact value
Treatment
Natural, untreated gems command premium prices
Professional Assessment
Proper valuation of gemstones requires expertise and specialized equipment. Always seek professional assessment from certified gemologists when making significant purchases.
Important Certifications
- GIA (Gemological Institute of America): The most recognized certification worldwide
- AGS (American Gem Society): Known for strict grading standards
- IGI (International Gemological Institute): Widely accepted globally
- HRD (Hoge Raad voor Diamant): European diamond certification
Documentation & Authentication
Always insist on proper certification from reputable laboratories. Certificates should include detailed information about the gem's characteristics, any treatments, and high-quality photographs. This documentation is crucial for both insurance and future resale.