
OCT 17 | 10:00 PM

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:£13,985.61
To the auctionView all items fromCastafioreorJewellery & Gems
Estimate:
£13,985.61
A pair of cufflinks set with a circular-cut syntetic sapphire, mounted
10/07/2026

£226.95
Est: £345.4
Tiffany & Co.: A "Fringe" necklace with a sapphire and garnet pendant
10/07/2026

£964.55
Est: £1,151.36
A SAPPHIRE AND DIAMOND THREE STONE RING, the round sapphire ...
10/07/2026

£360.23
Est: £387.46
A 1960's TURQUOISE, SAPPHIRE, RUBY AND DIAMOND BRACELET, pav...
10/07/2026

£3,983.78
Est: £3,444.12

OCT 17 | 10:00 PM

Bring your auction to collectors worldwide!
Get listed now