Ring in white gold, 750 MM, set with an oval Paraiba tourmal - Lot 186

Lot 186
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Estimation :
13000 - 15000 EUR
Ring in white gold, 750 MM, set with an oval Paraiba tourmal - Lot 186
Ring in white gold, 750 MM, set with an oval Paraiba tourmaline weighing 13.22 carats sold with its certificate of the Laboratory CGL "Paraiba grey blue" finely hemmed with diamonds totaling 0.70 carat. Exceptional stone. "Paraiba" is the name of a region and deposit in Brazil now virtually exhausted where these first tourmalines were found in 1989. Deposits were discovered in Mozanbique and Nigeria with the same chemical components in 2001 and 2005. Their production is also very limited._x000B_From the rarity and interest that the High Jewelry, these rare tourmalines from blue to green, are very sought after. size: 52, weight: 7.9gr. gross.
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