Database updated: 31 March 2014.
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Sphalerite: average retail values, Apr 2014


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Valuation date: 16 Apr 2014
Value chart for Sphalerite. Data valid till: 30 Apr 2014
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.
068 - medium yellowish Green; very slightly greyish
Alternative name, occurrence category: Common
104.72108.87113.03123.42164.98
050 - medium Yellow; very slightly brownish
Alternative name, occurrence category: Common
91.0194.6298.23107.27143.39
040 - medium orangey Yellow; strong
Alternative name, occurrence category: Common
98.37102.28106.18115.95154.99
025 - medium reddish Orange; strong
Alternative name, occurrence category: Common
125.08130.05135.01147.42197.07
028 - medium dark reddish Orange; strong
Alternative name, occurrence category: Common
63.7966.3268.8575.18100.50

Approximate clarity coefficients:

Clarity grade VVS VS SI1 SI2 I1 I2 I3 OPQ
Value coefficient1.0000.9070.7820.6410.5020.3960.328---

 

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