A COLOUR-CHANGE STAR SAPPHIRE AND DIAMOND RING
Set with a cabochon colour-change star sapphire, weighing approximately 30.67 carats, within a circular-cut diamond scalloped surround, to the similarly-cut diamond entwined half-hoop, mounted in platinum, ring size 6½
Accompanied by report no. 2184447489 dated 16 October 2014 from the Gemological Institute of America stating that the natural star sapphire is of Sri Lanka origin, with no indications of heating, colour from blue changing to violet, displaying asterism
US$20,000-30,000
A COLOUR-CHANGE STAR SAPPHIRE AND DIAMOND RING
Set with a cabochon colour-change star sapphire, weighing approximately 30.67 carats, within a circular-cut diamond scalloped surround, to the similarly-cut diamond entwined half-hoop, mounted in platinum, ring size 6½
Accompanied by report no. 2184447489 dated 16 October 2014 from the Gemological Institute of America stating that the natural star sapphire is of Sri Lanka origin, with no indications of heating, colour from blue changing to violet, displaying asterism
US$20,000-30,000
.jpg?maxwidth=3840)