
OCT 17 | 10:00 PM

Bring your auction to collectors worldwide!
Get listed now
All auctions / Jewellery & Gems / JEWELRY. 18kt Gold Sapphire Cabochon and Diamond


Ring. 18kt white gold cocktail ring displaying a central oval Star Sapphire cabochon accented by trios of Old Mine cut diamonds to each side. Unidentified pictorial hallmarks to the interior of the band. Accompanied by a September 21, 2026 Sapphire Origin Report no. 1426071880 stating this is one, "Natural Corundum, Natural Star Sapphire, Sri Lanka, No indications of heating, The depth of the stone is not measurable due to the mounting, 6.76 grams (gross), 11.75 x 10.60mm, Oval, Blue, Transparent, Displaying Asterism, Double Cabochon". Total approx. weight of the ring is 4.3 dwt (gross). Ring size - 5. From a Greenwich, CT estate. Dimensions: ring face measures approx. 0.64" w x 0.70" h. Condition: Good, with minor dents/dings & light surface scratches. Please examine the provided photos to thoroughly evaluate each piece. Condition:, Ring. 18kt white gold cocktail ring displaying a central oval Star Sapphire cabochon accented by trios of Old Mine cut diamonds to each side. Unidentified pictorial hallmarks to the interior of the band. Accompanied by a September 21, 2026 Sapphire Origin Report no. 1426071880 stating this is one, "Natural Corundum, Natural Star Sapphire, Sri Lanka, No indications of heating, The depth of the stone is not measurable due to the mounting, 6.76 grams (gross), 11.75 x 10.60mm, Oval, Blue, Transparent, Displaying Asterism, Double Cabochon". Total approx. weight of the ring is 4.3 dwt (gross). Ring size - 5. From a Greenwich, CT estate. Dimensions: ring face measures approx. 0.64" w x 0.70" h. Condition: Good, with minor dents/dings & light surface scratches. Please examine the provided photos to thoroughly evaluate each piece. Est: $1,500.00 - $2,000.00
Estimate:£1,136.58
To the auctionView all items fromClarke Auction GalleryorJewellery & Gems
Estimate:
£1,136.58
Povl Klarlund: A diamond ring set with a diamond, mounted in 18k white
10/07/2026

£1,134.77
Est: £1,381.63
Ole Lynggaard: A "Smile" clasp set with diamonds on a bracelet of
10/07/2026

£2,609.97
Est: £2,302.72
An emerald and diamond ring set with faceted emeralds and brilliant-cut
10/07/2026

£141.84
Est: £230.27
A diamond ring set with a brilliant-cut diamond, mounted in 14k gold.
10/07/2026

£1,475.2
Est: £2,072.44

OCT 17 | 10:00 PM

Bring your auction to collectors worldwide!
Get listed now