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Reference Values of Gems
Database updated: 2 Aug 2016
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Ametrine: average retail prices, Aug 2016


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Valuation date: 24 Aug 2016
Value chart for Ametrine. Data valid till: 07 Sep 2016
Values in USD per carat; ref. clarity = VVS, ref. cut = Excellent

Color Color Description; Occurrence 1 ct. 3 ct. 5 ct. 10 ct. 30 ct.
183 / 038 - bi color: medium light bluish Purple; very slightly greyish / medium light orangey Yellow; strong183 / 038 - bi color: medium light bluish Purple; very slightly greyish / medium light orangey Yellow; strong
Alternative name, occurrence category: Common
22.6023.4024.2026.2034.18
163 / 045 - bi color: very light bluish Violet / light Yellow; very slightly brownish163 / 045 - bi color: very light bluish Violet / light Yellow; very slightly brownish
Alternative name, occurrence category: Common
12.9813.4413.8915.0419.62

Color grades system


Approximate clarity factors:

Clarity grade VVS VS SI1 SI2 I1 I2 I3 OPQ
Value factor1.0000.9310.8430.521------------

Clarity grade patterns


Gemstone Appraisal:  Ametrine  

Value Charts: printable version  

Gems info: Ametrine  


 
 
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