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Reference Values of Gems
Database updated: 2 Aug 2016
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Tourmaline: average retail prices, Sep 2016


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Valuation date: 29 Sep 2016
Value chart for Tourmaline. Data valid till: 13 Oct 2016
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 greyish134 - medium very strongly greenish Blue; very slightly greyish
Alternative name, occurrence category: Indicolite. Rare
560.80666.38771.971,035.932,091.77
131 - medium light very strongly greenish Blue; very slightly greyish131 - medium light very strongly greenish Blue; very slightly greyish
Alternative name, occurrence category: Indicolite. Rare
438.80521.42604.03810.571,636.72
096 - medium light very slightly bluish Green; slightly greyish096 - medium light very slightly bluish Green; slightly greyish
Alternative name, occurrence category: Indicolite. Common
174.26207.07239.88321.90649.99
104 - medium light bluish Green; strong. Origin: Africa.104 - medium light bluish Green; strong. Origin: Africa.
Alternative name, occurrence category: Indicolite. Rare
1,493.971,775.242,056.522,759.715,572.47
107 - medium bluish Green; very slightly greyish107 - medium bluish Green; very slightly greyish
Alternative name, occurrence category: Indicolite.
386.31459.05531.78713.611,440.94
098 - medium very slightly bluish Green; very slightly greyish098 - medium very slightly bluish Green; very slightly greyish
Alternative name, occurrence category: Rare
365.32434.10502.88674.831,362.63
088 - medium dark Green; strong088 - medium dark Green; strong
Alternative name, occurrence category: Chrome Tourmaline. Rare
345.07410.04475.01637.431,287.12
078 - medium dark slightly yellowish Green; strong078 - medium dark slightly yellowish Green; strong
Alternative name, occurrence category: Common
193.23229.61265.99356.94720.75
071 - medium dark yellowish Green; very slightly greyish071 - medium dark yellowish Green; very slightly greyish
Alternative name, occurrence category: Common
85.41101.49117.57157.76318.56
075 - medium light slightly yelowish Green; very slightly greyish075 - medium light slightly yelowish Green; very slightly greyish
Alternative name, occurrence category: Common
59.5470.7581.96109.98222.07
059 - medium greenish Yellow; very slightly greyish059 - medium greenish Yellow; very slightly greyish
Alternative name, occurrence category: Common
69.8883.0496.20129.09260.67
050 - medium Yellow; very slightly brownish050 - medium Yellow; very slightly brownish
Alternative name, occurrence category: Common
80.6195.78110.96148.90300.66
035 - medium Orange; very slightly brownish035 - medium Orange; very slightly brownish
Alternative name, occurrence category: Common
99.20117.88136.56183.25370.02
017 - medium orangey Red; very slightly brownish017 - medium orangey Red; very slightly brownish
Alternative name, occurrence category: Common
136.54162.25187.96252.23509.31
009 - medium Red; slightly brownish009 - medium Red; slightly brownish
Alternative name, occurrence category: Common
85.33101.40117.46157.63318.28
219 - medium light slightly purplish Red; very slightly brownish219 - medium light slightly purplish Red; very slightly brownish
Alternative name, occurrence category: Common
103.93123.49143.06191.98387.64
201 - medium light reddish Purple; very slightly brownish201 - medium light reddish Purple; very slightly brownish
Alternative name, occurrence category: (See also "Tourmaline Rubelite" section). Common
185.88220.88255.88343.37693.34
206 - light strongly purplish Red; strong206 - light strongly purplish Red; strong
Alternative name, occurrence category: Common
98.53117.08135.63182.00367.51
189 - light Purple; very slightly greyish189 - light Purple; very slightly greyish
Alternative name, occurrence category: Common
109.63130.27150.90202.50408.90
157 - light violetish Blue; strong157 - light violetish Blue; strong
Alternative name, occurrence category: Common
208.75248.06287.36385.62778.65
024 - medium light reddish Orange; slightly brownish024 - medium light reddish Orange; slightly brownish
Alternative name, occurrence category: Common
48.1457.2066.2788.92179.56
020 - light reddish Orange; strong020 - light reddish Orange; strong
Alternative name, occurrence category: Common
93.05110.57128.09171.89347.09
225 - light Grey225 - light Grey
Alternative name, occurrence category: Common
119.37141.85164.32220.51445.26
223 - colorless223 - colorless
Alternative name, occurrence category: Common
87.13103.53119.94160.95325.00

Color grades system


Approximate clarity factors:

Clarity grade VVS VS SI1 SI2 I1 I2 I3 OPQ
Value factor1.0000.9150.8110.6450.3920.217------

Clarity grade patterns


Gemstone Appraisal:  Tourmaline  

Value Charts: printable version  

Gems info: Tourmaline  


 
 
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