12.28 ct Burmese Sapphire Diamond Necklace, Gubelin certified

12.28 ct Unheated Natural Burmese Sapphire Diamond Necklace, Gubelin certified.

18k white gold necklace featuring a 12.29 ct natural unheated center Burmese Sapphire certified by Gubelin. Natural and unheated sapphires are extremely scarce. Set with 257 round, marquise and pear shaped diamonds totaling approximately 29.72 ctw.

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