Details
Antique cushion brilliant step-cut sapphire of 10.256 carats, round brilliant-cut diamonds, 18k yellow gold (French mark), signed Monture Boucheron, maker's mark (Société Boucheron), Boucheron fitted case

SSEF, 2024, report n°.135416: 10.256 carats, Ceylon (Sri Lanka), 'Royal Blue', no indications of heating

Diamonds: with an approximate total weight of 4.50-5.50 carats

Size/Dimensions: FR ring size: 54 / US ring size: 634
Gross weight: 10.4 grams
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