Hero background

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

7d 16hFRCastafiore

Platinum, sapphire, and diamond ring

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 auction

View all items fromCastafioreorJewellery & Gems

Estimate:

£13,985.61

To the auction

Similar items

Auction results for similar items

Placa relicario sevillana en metal plateado, del siglo XX.
Sold

Placa relicario sevillana en metal plateado, del siglo XX.

10/09/2026

Barcelona Auctions
ES

£50.76

Est: £59.53

Details
ARMBAND, BISMARCKLÄNK MED BERLOCK, 18K GULD.
Sold
HALSBAND, 18 k guld, vit och blå emaljdekor, 2 hängande kläppar, troligen
Sold
RING, 18K GULD, 9 ST DIAMANTER OM TOTALT CIRKA 0,65 CT, 3,7 GRAM.
Sold

RING, 18K GULD, 9 ST DIAMANTER OM TOTALT CIRKA 0,65 CT, 3,7 GRAM.

10/09/2026

Crafoord Auktioner
SE

£453.83

Est: £454.9

Details

Upcoming auctions

October 16 & 17, 2026 Coin Op & Advertising - Las Vegas
October 16 & 17, 2026 Coin Op & Advertising - Las Vegas auction house logo

OCT 17 | 10:00 PM

October 16 & 17, 2026 Coin Op & Advertising - Las Vegas

Global Treasures | Ancient & Ethnographic Art
Global Treasures | Ancient & Ethnographic Art auction house logo

Global Treasures | Ancient & Ethnographic Art

Bring your auction to collectors worldwide!

Get listed now
Platinum, sapphire, and diamond ring