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Reference Values of Gems
Database updated: 1 July 2016
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Tourmaline: average retail prices, Jul 2016


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Valuation date: 29 Jul 2016
Value chart for Tourmaline. Data valid till: 12 Aug 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
560.05664.13768.211,028.412,069.23
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
438.21519.65601.09804.691,619.08
096 - medium light very slightly bluish Green; slightly greyish096 - medium light very slightly bluish Green; slightly greyish
Alternative name, occurrence category: Indicolite. Common
174.03206.37238.71319.57642.98
104 - medium light bluish Green; strong. Origin: Africa.104 - medium light bluish Green; strong. Origin: Africa.
Alternative name, occurrence category: Indicolite. Rare
1,491.961,769.242,046.512,739.695,512.41
107 - medium bluish Green; very slightly greyish107 - medium bluish Green; very slightly greyish
Alternative name, occurrence category: Indicolite.
385.80457.49529.19708.441,425.41
098 - medium very slightly bluish Green; very slightly greyish098 - medium very slightly bluish Green; very slightly greyish
Alternative name, occurrence category: Rare
364.83432.63500.43669.931,347.94
088 - medium dark Green; strong088 - medium dark Green; strong
Alternative name, occurrence category: Chrome Tourmaline. Rare
344.61408.65472.70632.811,273.24
078 - medium dark slightly yellowish Green; strong078 - medium dark slightly yellowish Green; strong
Alternative name, occurrence category: Common
192.97228.84264.70354.36712.98
071 - medium dark yellowish Green; very slightly greyish071 - medium dark yellowish Green; very slightly greyish
Alternative name, occurrence category: Common
85.29101.14116.99156.62315.13
075 - medium light slightly yelowish Green; very slightly greyish075 - medium light slightly yelowish Green; very slightly greyish
Alternative name, occurrence category: Common
59.4670.5181.56109.18219.68
059 - medium greenish Yellow; very slightly greyish059 - medium greenish Yellow; very slightly greyish
Alternative name, occurrence category: Common
69.7982.7695.73128.16257.86
050 - medium Yellow; very slightly brownish050 - medium Yellow; very slightly brownish
Alternative name, occurrence category: Common
80.5095.46110.42147.82297.42
035 - medium Orange; very slightly brownish035 - medium Orange; very slightly brownish
Alternative name, occurrence category: Common
99.07117.48135.89181.92366.04
017 - medium orangey Red; very slightly brownish017 - medium orangey Red; very slightly brownish
Alternative name, occurrence category: Common
136.36161.70187.05250.40503.82
009 - medium Red; slightly brownish009 - medium Red; slightly brownish
Alternative name, occurrence category: Common
85.22101.05116.89156.48314.85
219 - medium light slightly purplish Red; very slightly brownish219 - medium light slightly purplish Red; very slightly brownish
Alternative name, occurrence category: Common
103.79123.08142.36190.58383.47
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
185.63220.13254.63340.88685.87
206 - light strongly purplish Red; strong206 - light strongly purplish Red; strong
Alternative name, occurrence category: Common
98.40116.68134.97180.68363.55
189 - light Purple; very slightly greyish189 - light Purple; very slightly greyish
Alternative name, occurrence category: Common
109.48129.82150.17201.04404.49
157 - light violetish Blue; strong157 - light violetish Blue; strong
Alternative name, occurrence category: Common
208.47247.22285.96382.82770.25
024 - medium light reddish Orange; slightly brownish024 - medium light reddish Orange; slightly brownish
Alternative name, occurrence category: Common
48.0757.0165.9488.28177.62
020 - light reddish Orange; strong020 - light reddish Orange; strong
Alternative name, occurrence category: Common
92.93110.20127.47170.65343.35
225 - light Grey225 - light Grey
Alternative name, occurrence category: Common
119.21141.37163.52218.91440.46
223 - colorless223 - colorless
Alternative name, occurrence category: Common
87.01103.18119.36159.78321.49

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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