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Lot 530

COBALT-SPINEL AND DIAMOND RING

5 – 12 August 2025, 12:00 HKT
Online, Hong Kong

HK$65,000 - HK$95,000

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COBALT-SPINEL AND DIAMOND RING

8.38克拉天然「馬達加斯加」未經處理鈷藍色尖晶石配鑽石戒指
Certificate: Bellerophon, cobalt-spinel, natural, 8.380cts, intense blue, Madagascar, untreated
(B31648, 4 October 2024)
Metal: 18 and 14 karat yellow gold
Ring size: 5¾
Gross weight: 11.4g

Footnotes

CONDITION REPORT:
In very good condition. In our opinion, the spinel is of blue hue, deep tone and strong saturation. Eye-clean. Under 10x magnification there are minute pinpoints and abrasions but they are hardly noticeable to the naked eye. Diamonds approximately G-H colour, VS-SI clarity. Metal unstamped, shank tested for 18K gold, basket tested for 14K gold.

This condition report is provided for your convenience based on the opinion of our specialists. Bonhams is not responsible for any discrepancies between this information and other opinions. The condition of lots can vary widely and the nature of the lots sold means that they are unlikely to be in perfect condition. The dimensions and weights of diamonds and gemstones are approximated using measurements and given as a courtesy, please consider them as an estimation only.

Please note additional images and videos are available upon request, kindly contact the jewellery department at jewellery.hk@bonhams.com

Additional information

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