A German platinum diamond and fine royal blue sapphire cocktail ring. - image-1
A German platinum diamond and fine royal blue sapphire cocktail ring. - image-2
A German platinum diamond and fine royal blue sapphire cocktail ring. - image-3
A German platinum diamond and fine royal blue sapphire cocktail ring. - image-1A German platinum diamond and fine royal blue sapphire cocktail ring. - image-2A German platinum diamond and fine royal blue sapphire cocktail ring. - image-3

Lot 717 Dα

A German platinum diamond and fine royal blue sapphire cocktail ring.

Auction 1229 - overview Cologne
16.11.2023, 16:00 - Jewellery and Watches
Estimate: 3.000 € - 4.000 €
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A German platinum diamond and fine royal blue sapphire cocktail ring.

Three-stranded gold wire band and cluster set bezel with a central finely coloured royal blue sapphire of c. 3.9 ct (c. 10.34 x 7.62 x 4.72 mm) surrounded by a spiral of 13 brilliant-cut diamonds and 21 taper baguette-cut diamonds (in total c. 0.80 ct, F/G, vs). Hallmarks: Fineness Pt950, maker's mark "RK". Ring band reduced. Bezel 1.5 x 1.8 cm. Ring size 48. Weight 8.93 g. Case by "René Kern" with suede cover.
René Kern, Düsseldorf, 1960s.