COLOUR-CHANGE SAPPHIRE AND DIAMOND RING
Oval-shaped colour-change sapphire of 11.22 carats, circular and square-cut diamonds, platinum, ring size 5¾
GIA, 2018, report no. 2274707604: 11.22 carats, Sri Lanka, no indications of heating, violet changing to purple
US$20,000-30,000
COLOUR-CHANGE SAPPHIRE AND DIAMOND RING
Oval-shaped colour-change sapphire of 11.22 carats, circular and square-cut diamonds, platinum, ring size 5¾
GIA, 2018, report no. 2274707604: 11.22 carats, Sri Lanka, no indications of heating, violet changing to purple
US$20,000-30,000
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