A platinum diamond and natural Ceylon sapphire cluster ring - image-1
A platinum diamond and natural Ceylon sapphire cluster ring - image-2
A platinum diamond and natural Ceylon sapphire cluster ring - image-3
A platinum diamond and natural Ceylon sapphire cluster ring - image-4
A platinum diamond and natural Ceylon sapphire cluster ring - image-5
A platinum diamond and natural Ceylon sapphire cluster ring - image-1A platinum diamond and natural Ceylon sapphire cluster ring - image-2A platinum diamond and natural Ceylon sapphire cluster ring - image-3A platinum diamond and natural Ceylon sapphire cluster ring - image-4A platinum diamond and natural Ceylon sapphire cluster ring - image-5

Lot 226 Dα

A platinum diamond and natural Ceylon sapphire cluster ring

Auction 1183 - overview Cologne
18.11.2021, 15:00 - Jewellery
Estimate: 8.000 € - 12.000 €
Result: 15.000 € (incl. premium)
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A platinum diamond and natural Ceylon sapphire cluster ring

Set with a natural blue cushion-cut sapphire (ca. 10 ct, ca. 12.88 x 10.92 x 7.78 mm, NTE). surrounded by 14 old-cut and transition-cut diamonds (ca. 2.50 ct, G-K, vs-si). Hallmarks: Fineness 950, Vienna import stamp for platinum used since 1967 (Neuwirth, T 9, 63,4). The sapphire with a minor chip to the girdle. Bezel 2.1 x 1.9 cm. Ring size 53. Weight 8.25 g.

Certificate

Gemstone Report No. 032566 dated 20.10.2021 of the DSEF (German Foundation for Gemstone Research), Idar-Oberstein. Confirming that it is a natural sapphire, origin Sri Lanka, no indications of heating (NTE). Tested insofar as mounting permits.