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🇯🇵Japan

Goko Shokai Co., Ltd.

20.18 ct No Heat Blue Sapphire Necklace, Sri Lanka origin
GRS Certified 12.21 ct No Heat “Cornflower” Sapphire Ring, Sri Lanka Origin
12.80 ct No Heat Royal Blue Sapphire Ring, Burma origin
GIA Certified Brazilian 1.73 Carat "No-Heat" Paraiba Tourmaline Ring
8.99 Carat Brazilian Paraiba Tourmaline Cocktail Ring

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