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Reference Values of Gems
Database updated: 1 July 2015
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Topaz: average retail prices, Jul 2015


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Valuation date: 30 Jul 2015
Value chart for Topaz. Data valid till: 13 Aug 2015
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.
045 - light Yellow; very slightly brownish045 - light Yellow; very slightly brownish
Alternative name, occurrence category: Common
34.8536.1037.3540.4752.95
021 - light reddish Orange; very slightly brownish021 - light reddish Orange; very slightly brownish
Alternative name, occurrence category: Common
61.1363.3265.5170.9892.88
024 - medium light reddish Orange; slightly brownish024 - medium light reddish Orange; slightly brownish
Alternative name, occurrence category: Common
68.1570.5973.0379.13103.54
048 - medium light Yellow; slightly brownish048 - medium light Yellow; slightly brownish
Alternative name, occurrence category: Common
71.7174.2876.8583.27108.95
033 - medium light Orange; very slightly brownish033 - medium light Orange; very slightly brownish
Alternative name, occurrence category: Common
187.62194.34201.06217.86285.07
022 - medium light reddish Orange; strong022 - medium light reddish Orange; strong
Alternative name, occurrence category: Rare
276.03285.92295.81320.53419.40
025 - medium reddish Orange; strong025 - medium reddish Orange; strong
Alternative name, occurrence category: Rare
334.27346.24358.21388.15507.88
017 - medium orangey Red; very slightly brownish017 - medium orangey Red; very slightly brownish
Alternative name, occurrence category: Rare
315.89327.21338.53366.81479.96
034 - medium Orange; strong034 - medium Orange; strong
Alternative name, occurrence category: Rare
225.48233.56241.63261.82342.59
038 - medium light orangey Yellow; strong038 - medium light orangey Yellow; strong
Alternative name, occurrence category: Rare
162.79168.62174.45189.03247.34
187 - very light Purple187 - very light Purple
Alternative name, occurrence category: Rare
446.73462.73478.73518.74678.75
199 - light reddish Purple; strong199 - light reddish Purple; strong
Alternative name, occurrence category: Rare
600.06621.55643.04696.78911.71
114 / 021 - bi color: medium light very strongly bluish Green; very slightly greyish / light reddish Orange; very slightly brownish114 / 021 - bi color: medium light very strongly bluish Green; very slightly greyish / light reddish Orange; very slightly brownish
Alternative name, occurrence category: Rare
124.26128.72133.17144.29188.81
127 - very light very strongly greenish Blue; Untreated127 - very light very strongly greenish Blue; Untreated
Alternative name, occurrence category: Common
42.5444.0645.5849.3964.63
134 - medium very strongly greenish Blue; very slightly greyish. Irradiated.134 - medium very strongly greenish Blue; very slightly greyish. Irradiated.
Alternative name, occurrence category: Common
19.1519.8420.5222.2429.10
140 - medium light very slightly greenish Blue; strong. Irradiated.140 - medium light very slightly greenish Blue; strong. Irradiated.
Alternative name, occurrence category: Common
15.4816.0316.5917.9723.52
130 - medium light very strongly greenish Blue; strong. Irradiated.130 - medium light very strongly greenish Blue; strong. Irradiated.
Alternative name, occurrence category: Common
13.4713.9614.4415.6420.47
113 - medium light very strongly bluish Green; very slightly greyish. Irradiated.113 - medium light very strongly bluish Green; very slightly greyish. Irradiated.
Alternative name, occurrence category: Common
12.2512.6913.1314.2218.61
105 - medium light bluish Green; very slightly greyish. Irradiated.105 - medium light bluish Green; very slightly greyish. Irradiated.
Alternative name, occurrence category: Common
12.0312.4612.8913.9618.27
209 - medium light strongly purplish Red; very slightly brownish. Diffusion / coating treatment.209 - medium light strongly purplish Red; very slightly brownish. Diffusion / coating treatment.
Alternative name, occurrence category: Common
10.8011.1911.5712.5416.41
191 - medium light Purple; very slightly greyish. Diffusion / coating treatment.191 - medium light Purple; very slightly greyish. Diffusion / coating treatment.
Alternative name, occurrence category: Common
11.5812.0012.4113.4517.59
095 / 201 - "mystic topaz" surface treatment, kaleidoscope colors. Coating treatment.095 / 201 - "mystic topaz" surface treatment, kaleidoscope colors. Coating treatment.
Alternative name, occurrence category: Common
12.1412.5713.0114.0918.44
022 / 218 - "azotic topaz" surface treatment, kaleidoscope colors. Coating treatment.022 / 218 - "azotic topaz" surface treatment, kaleidoscope colors. Coating treatment.
Alternative name, occurrence category: Common
11.8012.2312.6513.7117.93
223 - colorless223 - colorless
Alternative name, occurrence category: Common
5.685.886.096.598.63

Color grades system


Approximate clarity factors:

Clarity grade VVS VS SI1 SI2 I1 I2 I3 OPQ
Value factor1.0000.8360.7020.481------------

Clarity grade patterns


Gemstone Appraisal:  Topaz  

Value Charts: printable version  

Gems info: Topaz  


 
 
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