Database updated: 21 July 2014.
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Quartz: average retail prices, Jul 2014


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Valuation date: 23 Jul 2014
Value chart for Quartz. Data valid till: 06 Aug 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.
001 - very light Red (light pink)
Alternative name, occurrence category: common
13.3913.3913.3913.3913.39
030 - dark reddish Orange
Alternative name, occurrence category: Common
5.265.265.265.265.26
024 - medium light reddish Orange; very slightly brownish
Alternative name, occurrence category: common
4.944.944.944.944.94
048 - medium light Yellow; slightly brownish
Alternative name, occurrence category: common
5.155.155.155.155.15
063 - light yellowish Green; very slightly greyish
Alternative name, occurrence category: common
4.904.904.904.904.90
223 - colorless
Alternative name, occurrence category: common
3.543.543.543.543.54

Approximate clarity coefficients:

Clarity grade VVS VS SI1 SI2 I1 I2 I3 OPQ
Value coefficient1.0000.8210.732---------------

Clarity grade patterns

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