An 18k gold platinum diamond and natural sapphire bangle. - image-1 An 18k gold platinum diamond and natural sapphire bangle. - image-2 An 18k gold platinum diamond and natural sapphire bangle. - image-3

Lot 217 D α

An 18k gold platinum diamond and natural sapphire bangle.

Auction 1219 - overview Cologne
17.05.2023, 16:00 - Jewellery and Watches
Estimate: 10.000 € - 15.000 €
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An 18k gold platinum diamond and natural sapphire bangle.

Oval bi-colour hoop bangle with two side hinges and concealed box clasp with two safety clips. Cluster set with three oval faceted natural Ceylon sapphires (NTE): c. 3.00 ct (c. 10.25 x 7.27 x 5.38 mm) / c. 3.00 ct (c. 9.00 x 7.80 x 5.64 mm) / c. 3.50 ct (c. 9.85 x 6.70 x 6.48 mm) surrounded by 135 brilliant-cut diamonds. The moulded shoulders and two bar-shaped links set with 48 brilliant-cut diamonds. Diamonds in total c. 5.10 ct (I/J, vs). Not hallmarked. Inner diameter 5.0 x 6.0 cm. Weight 63.43 g.
1990s.

Certificate

Gemstone assessment report no. 035295 of the DSEF, Idar-Oberstein dated 21.03.2023, confirms the transparent blue stone to be a natural Ceylon sapphire with no signs of heat treatment (NTE). Examined in the mount.