The cushion-shaped tourmaline measures 16.23 x 13.29 x 11.29 mm and weighs 15.82 carats. A GIA Laboratory report # 1162632394, dated October 2, 2014 stating Species Tourmaline, No Indications of Heating, accompanies the stone.
Estimate: $10,000 - $15,000.
Gem Type: Tourmaline
Gem Certification No: 1162632394
Gem Lab: GIA
Gem Average Clarity: Good
Gem Shape: Cushion-shaped
Gem Count: 1 - 25
Overall Condition: Very Good
Notes: This copper and manganese bearing tourmaline may be called "paraìba tourmaline" in the trade. The name "paraìba" comes from the Brazilian locality where this gem was first mined, however today it may come from several localities. Origin not requested. Small nick at the girdle.
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