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Reference Values of Gems
Database updated: 1 Jun 2016
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Fire Opal: average retail prices, Jun 2016


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Valuation date: 28 Jun 2016
Value chart for Fire Opal. Data valid till: 12 Jul 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.
018 - medium dark orangey Red; strong018 - medium dark orangey Red; strong
Alternative name, occurrence category: Common
97.59104.33111.07127.92195.33
017 - medium orangey Red; very slightly brownish017 - medium orangey Red; very slightly brownish
Alternative name, occurrence category: Common
140.97150.71160.45184.79282.16
025 - medium reddish Orange; strong025 - medium reddish Orange; strong
Alternative name, occurrence category: Common
130.48139.49148.50171.03261.16
034 - medium Orange; strong034 - medium Orange; strong
Alternative name, occurrence category: Common
110.68118.32125.97145.08221.53
035 - medium Orange; very slightly brownish035 - medium Orange; very slightly brownish
Alternative name, occurrence category: Common
64.0568.4772.9083.96128.20
032 - medium light Orange; strong032 - medium light Orange; strong
Alternative name, occurrence category: Common
51.8255.4058.9867.93103.73
031 - light Orange; strong031 - light Orange; strong
Alternative name, occurrence category: Common
42.0944.9947.9055.1784.24

Color grades system


Approximate clarity factors:

Clarity grade VVS VS SI1 SI2 I1 I2 I3 OPQ
Value factor1.0000.9500.8900.7800.581---------

Clarity grade patterns


Gemstone Appraisal:  Fire Opal  

Value Charts: printable version  

Gems info: Fire Opal  


 
 
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