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    • One step-cut colour-changing sapphire, 5.53 carats

    • Pierced mount set with brilliant-cut and baguette diamonds, totalling approximately 1.00 carat

    • Platinum

    • Size 6¾

    (5.53-carat Colour-changing Sapphire)
    GRS report, numbered GRS2015-128076, dated 1 December 2015, Madagascar, no indication of thermal treatment, colour-changing from blue in daylight to purple in incandescent light.

    附 瑞士GRS 證書

This lot will be sold with no reserve.


Lot offered with No Reserve

A Colour-changing Sapphire and Diamond Ring

5.33克拉「馬達加斯加」天然變色藍寶石 配 鑽石戒指, 藍寶石未經加熱處理

HK$80,000 - 120,000 

Sold for HK$112,500

Contact Specialist
Terry Chu
Head of Jewellery, Asia, Senior Director
+852 2318 2038

Jewels and Jadeite

Hong Kong Auction 28 May 2018