A German 18k gold diamond and natural sapphire three stone ring. - image-1
A German 18k gold diamond and natural sapphire three stone ring. - image-2
A German 18k gold diamond and natural sapphire three stone ring. - image-3
A German 18k gold diamond and natural sapphire three stone ring. - image-1A German 18k gold diamond and natural sapphire three stone ring. - image-2A German 18k gold diamond and natural sapphire three stone ring. - image-3

Lot 208 Dα

A German 18k gold diamond and natural sapphire three stone ring.

Auction 1219 - overview Cologne
17.05.2023, 16:00 - Jewellery and Watches
Estimate: 4.000 € - 6.000 €
Result: 6.930 € (incl. premium)

A German 18k gold diamond and natural sapphire three stone ring.

Set with a natural mixed cut oval sapphire of c. 3.41 ct (c. 9.70 x 7.50 x 5.52 mm, NTE) flanked on either side by two brilliant-cut diamonds (in total c. 0.47 ct, J/K, vvs) Hallmarks: Fineness 750, "KERN". Ring size 52. Weight 80.7 g.
René Kern, Düsseldorf, c. 1980.

Certificate

Gemstone assessment report no. 035189 from the DSEF, Idar-Oberstein dated 03.03.2023, confirms the transparent blue stone to be a natural sapphire with no signs of heat treatment (NTE). Examined in the mount.