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


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Valuation date: 19 Apr 2014
Value chart for Tourmaline. Data valid till: 03 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.
134 - medium very strongly greenish Blue; very slightly greyish
Alternative name, occurrence category: Indicolite. Rare
515.79573.02630.24773.311,345.56
131 - medium light very strongly greenish Blue; very slightly greyish
Alternative name, occurrence category: Indicolite. Rare
354.39393.70433.02531.32924.49
096 - medium light very slightly bluish Green; slightly greyish
Alternative name, occurrence category: Indicolite. Common
181.51201.64221.78272.12473.50
104 - medium light bluish Green; strong
Alternative name, occurrence category: Indicolite, Africa. Rare
1,195.151,327.741,460.341,791.833,117.80
107 - medium bluish Green; very slightly greyish
Alternative name, occurrence category: Indicolite. Rare
780.89867.53954.171,170.762,037.13
098 - medium very slightly bluish Green; very slightly greyish
Alternative name, occurrence category: Rare
433.58481.68529.79650.051,131.09
088 - medium dark Green; strong
Alternative name, occurrence category: Chrome Tourmaline. Rare
397.00441.05485.09595.211,035.67
078 - medium dark slightly yellowish Green; strong
Alternative name, occurrence category: Common
222.31246.98271.64333.30579.95
071 - medium dark yellowish Green; very slightly greyish
Alternative name, occurrence category: Common
123.88137.62151.37185.73323.17
075 - medium light slightly yelowish Green; very slightly greyish
Alternative name, occurrence category: Common
65.0572.2679.4897.52169.69
059 - medium greenish Yellow; very slightly greyish
Alternative name, occurrence category: Common
80.4089.3298.24120.54209.74
050 - medium Yellow; very slightly brownish
Alternative name, occurrence category: Common
84.9794.40103.83127.40221.67
035 - medium Orange; very slightly brownish
Alternative name, occurrence category: Common
103.78115.29126.81155.59270.73
017 - medium orangey Red; very slightly brownish
Alternative name, occurrence category: Common
157.09174.52191.95235.52409.81
009 - medium Red; slightly brownish
Alternative name, occurrence category: Common
98.17109.06119.96147.19256.10
219 - medium light slightly purplish Red; very slightly brownish
Alternative name, occurrence category: Common
119.57132.83146.10179.26311.92
201 - medium light reddish Purple; very slightly brownish
Alternative name, occurrence category: (See also "Tourmaline Rubelite" section). Common
149.33165.90182.46223.88389.56
206 - light strongly purplish Red; strong
Alternative name, occurrence category: Common
113.36125.93138.51169.95295.71
189 - light Purple; very slightly greyish
Alternative name, occurrence category: Common
126.12140.12154.11189.09329.02
157 - light violetish Blue; strong
Alternative name, occurrence category: Common
260.87289.82318.76391.11680.54
024 - medium light reddish Orange; slightly brownish
Alternative name, occurrence category: Common
55.3861.5367.6783.03144.48
020 - light reddish Orange; strong
Alternative name, occurrence category: Common
72.5580.6088.65108.77189.26
225 - light Grey
Alternative name, occurrence category: Common
137.34152.57167.81205.90358.28
223 - colorless
Alternative name, occurrence category: Common
100.24111.36122.49150.29261.50

Approximate clarity coefficients:

Clarity grade VVS VS SI1 SI2 I1 I2 I3 OPQ
Value coefficient1.0000.9150.8110.6450.392---------

 

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