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Lot 122
Colour-Changing Spinel, White Topaz and Diamond Ring; And Emerald, White Topaz and Diamond Ring
Estimate:
HK$38,000 - 68,000
US$4,850 - 8,700

The rings centring on a round colour-changing spinel and octagonal emerald weighing 3.15 and 1.50 carats respectively, to an openwork mount decorated with pear-shaped white topazes and brilliant-cut diamonds extending to the shoulders, the white topazes altogether weighing approximately 8.60 carats, mounted in 18 karat white and yellow gold. Ring size: 7 and 6¾ respectively (2)

Accompanied by GIA report numbered 3375582316, dated 22 February 2021, stating that the 3.15 carat spinel is natural, Violet changing to Purple colour, with no indications of heating; along with comments, stating that 'This stone exhibits a change of color when viewed under daylight or fluorescent vs incandescent light.';
report numbered 1379582369, dated 23 February 2021, stating that the 1.50 carat emerald is natural, Green colour, of Colombian origin, with indications of minor clarity enhancement.