World’s Largest Tanzanite to Be Displayed at JCK Las Vegas

The largest tanzanite ever, a 525.55 carat stone, will be on display in at the AGTA Gem Fair at JCK Las Vegas, the Tanzanite Foundation announced.


The eye clean, cushion shaped tanzanite has recently been cut and polished by Rare Multicolor Gems of New York, at their cutting facilities in Jaipur, India.


The unusually large piece of rough was uncovered at the TanzaniteOne mining operation in Merelani, Tanzania, in early 2008.


Plans are being made to sell the gem at auction in late 2009.


The stone has been graded by the American Gem Trade Association (AGTA) laboratory.

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