Database updated: 18 April 2014.
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Topaz: average retail values, Apr 2014


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Valuation date: 23 Apr 2014
Value chart for Topaz. Data valid till: 07 May 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.
021 - light reddish Orange; very slightly brownish
Alternative name, occurrence category: Common
13.1413.6914.2415.6121.08
045 - light Yellow; very slightly brownish
Alternative name, occurrence category: Common
13.3913.9514.5115.9021.48
024 - medium light reddish Orange; slightly brownish
Alternative name, occurrence category: Common
17.1117.8218.5420.3227.45
048 - medium light Yellow; slightly brownish
Alternative name, occurrence category: Common
20.0920.9221.7623.8532.22
033 - medium light Orange; very slightly brownish
Alternative name, occurrence category: Common
74.5177.6280.7288.49119.54
022 - medium light reddish Orange; strong
Alternative name, occurrence category: Rare
149.65155.88162.12177.71240.08
025 - medium reddish Orange; strong
Alternative name, occurrence category: Rare
328.31341.99355.67389.88526.71
017 - medium orangey Red; very slightly brownish
Alternative name, occurrence category: Rare
287.14299.11311.08341.00460.67
034 - medium Orange; strong
Alternative name, occurrence category: Rare
271.65282.97294.29322.59435.81
038 - medium light orangey Yellow; strong
Alternative name, occurrence category: Rare
116.79121.66126.53138.70187.37
187 - very light Purple
Alternative name, occurrence category: Rare
123.49128.63133.78146.65198.11
134 - medium very strongly greenish Blue; very slightly greyish
Alternative name, occurrence category: Common; irradiated
28.2729.4530.6233.5745.35
140 - medium light very slightly greenish Blue; strong
Alternative name, occurrence category: Common; irradiated
22.8123.7624.7127.0936.60
130 - medium light very strongly greenish Blue; strong
Alternative name, occurrence category: Common; irradiated
20.7121.5722.4324.5933.22
113 - medium light very strongly bluish Green; very slightly greyish
Alternative name, occurrence category: Common; irradiated
20.2121.0521.8924.0032.42
105 - medium light bluish Green; very slightly greyish
Alternative name, occurrence category: Common; irradiated
19.0919.8920.6822.6730.63
114 / 021 - bi color: medium light very strongly bluish Green; very slightly greyish / light reddish Orange; very slightly brownish
Alternative name, occurrence category: Rare
96.95101.00105.04115.14155.55
209 - medium light strongly purplish Red; very slightly brownish
Alternative name, occurrence category: Common; diffusion / coating treatment
12.0312.5313.0314.2819.29
191 - medium light Purple; very slightly greyish
Alternative name, occurrence category: Common; diffusion / coating treatment
12.8913.4313.9715.3120.69
095 / 201 - "mystic topaz" surface treatment, kaleidoscope colors
Alternative name, occurrence category: Common; coating treatment
13.5114.0814.6416.0521.68
022 / 218 - "azotic topaz" surface treatment, kaleidoscope colors
Alternative name, occurrence category: Common; coating treatment
13.1413.6914.2415.6121.08
223 - colorless
Alternative name, occurrence category: Common
11.1611.6212.0913.2517.90

Approximate clarity coefficients:

Clarity grade VVS VS SI1 SI2 I1 I2 I3 OPQ
Value coefficient1.0000.8360.7020.481------------

 

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