
OCT 31 | 4:00 PM

All auctions / Jewelry & Gems / Sapphire and Diamond Ring, Monture Boucheron


Cushion-shaped sapphire of 17.39 carats, fancy-shaped and round diamonds, 18k white gold (French marks), signed MT Boucheron, maker's mark, numbered Gübelin, 2026, report no. 26070032: 17.39 carats, Burma (Myanmar), no indications of heating, with Information Sheet on Unheated sapphires Accompanied by a copy of the original Boucheron drawing Size/Dimensions: EU ring size 48 / US ring size 4 ½ Gross weight: 9.2 grams
Estimate:$300,082.25
To the auctionView all items fromChristie'sorJewelry & Gems
Estimate:
$300,082.25
A lab-grown diamond and 14k white gold ring
10/18/2026
$1,700
Est: $2,000

OCT 31 | 4:00 PM

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