
OCT 23 | 8:00 AM

All auctions / Jewellery & Gems / Platinum, sapphire, and diamond ring


Art Deco platinum ring set in the center with a large oval sapphire weighing 7.37 carats (11.21 x 9.64 x 7.30 mm) Unheated Intense Blue Ceylon sapphire surrounded by an openwork geometric design set with brilliant-cut diamonds. The mounting features a geometric design characteristic of the Art Deco aesthetic. French craftsmanship from the Art Deco period, circa 1925. Bears the dog-head Hallmark for Platinum. Note the inclusion of a Bellerophon Certificate for the center stone. Width of the central motif: 1.6 cm
Estimate:£13,939.48
To the auctionView all items fromCastafioreorJewellery & Gems
Estimate:
£13,939.48
DIAMANTRING, 18 k vitt guld, art déco, med en gammalslipad briljant
10/11/2026
£867.34
Est: £378.1
ARMBAND, 18K guld, LBA, Köping, 1964.
10/11/2026
£1,508.42
Est: £1,663.64
BROSCH, i form av rosett, Bertil Haglund Studio, Stockholm, 1945, 18K guld.
10/11/2026
£377.1
Est: £453.72
FINGERBORG, 18 k guld, karneol, Johan Olof Östlund, Gävle 1877.
10/11/2026
£196.99
Est: £151.24

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