Gemstone Value Calculator
Calculate gemstone values based on the 4 Cs: carat weight, cut quality, color grade, and clarity.
Professional Gemstone Valuation
Gemstone Details
Valuation Results
Base Price per Carat:$0.00
Carat Weight:0.00 ct
Cut Adjustment:0%
Color Adjustment:0%
Clarity Adjustment:0%
Estimated Value:$0.00
Value Range
Wholesale:$0.00 - $0.00
Retail:$0.00 - $0.00
Insurance:$0.00 - $0.00
Gemstone Valuation Guide
Carat Weight
- • Larger stones are exponentially more valuable
- • 1 carat = 0.2 grams = 100 points
- • Price per carat increases with size
- • Certain weights have premium values
Cut Quality
- • Affects brilliance and sparkle
- • Excellent cut adds 10-15% premium
- • Poor cut reduces value by 20-30%
- • Proper proportions are crucial
Color Grade
- • D-F: Colorless (most valuable)
- • G-J: Near colorless
- • K-M: Faint color
- • Each grade affects price significantly
Clarity Grade
- • FL/IF: Flawless (extremely rare)
- • VVS: Very slightly included
- • VS: Slightly included
- • Eye-clean stones preferred
Market Factors Affecting Value
Market Conditions
- • Economic conditions
- • Supply and demand
- • Currency fluctuations
- • Fashion trends
- • Investment demand
Origin & Treatment
- • Geographic origin premium
- • Natural vs. synthetic
- • Heat treatment effects
- • Enhancement disclosure
- • Certification importance
Additional Factors
- • Rarity of the gemstone
- • Historical significance
- • Celebrity ownership
- • Matching pairs/sets
- • Certification quality
Important Disclaimer
This calculator provides estimates only. Actual gemstone values vary based on market conditions, origin, treatments, and other factors. Always consult certified gemologists for professional appraisals.