
OCT 27 | 4:00 PM

All auctions / Jewelry & Gems / Platinum Solitaire Ring with Sapphire and Diamonds


An Antique-period platinum solitaire ring set with a large faceted oval sapphire ranging in color from periwinkle blue to sky blue. The sapphire weighs 6.27 carats and is secured by a set of double prongs. The shoulders of the ring are adorned with eight 8/8-cut diamonds accented by a fine millegrain beading. The sapphire comes with a laboratory Certificate. Solitaire ring, circa 1930, France. Sapphire specifications: Estimated weight of the sapphire: 6.279 cts - Dimensions: 9.90 x 8.94 x 8.62 mm - Cut: oval faceted - Identification: natural sapphire - Color: blue - Color stability: stable - Comments: no indication of heat treatment - Origin: Madagascar Estimated weight of the diamonds: 0.04 ct Note: A certificate from the Bellerophon Gemlab accompanies the ring. Condition: fine wear scratches, natural inclusions
Estimate:$10,988.51
To the auctionView all items fromCastafioreorJewelry & Gems
Estimate:
$10,988.51
A modern 18ct gold and diamond solitaire ring, size M/N, gro...
10/12/2026

$265.16
Est: $264.86
14K 3.66 CT Lab Grown Diamond Solitaire Ring with IGI Report
10/12/2026
$777
Est: $752
14K 1.59 CT Fancy Intense Yellow Lab Grown Diamond Solitaire Ring w/ IGI Report
10/12/2026
$625
Est: $525

OCT 27 | 4:00 PM

OCT 23 | 8:00 AM

OCT 17 | 10:00 PM
Bring your auction to collectors worldwide!
Get listed now