NGI Certified 3.79 Carats Untreated Star Sapphire 18K White Gold Ring

SOLD to return customer, Mr CH, Singapore.
 
3.79 carats, 10.69 X 8.69mm, 
Oval cabochon, translucent, loupe clean. 
Nanyang Gemological Institute (Singapore) Certified, Report no.6301829 (included with purchase), fully natural, Sri Lanka Star Sapphire. 
Set in 18k white gold, hand-work filigree setting.

Natural, untreated Star Sapphire with well-developed even legs and a translucent, clean body is rare and hard to obtain these days.. almost 99% of the natural gems seen in chain jewelry outlet are heat-treated.

star sapphire is a type of sapphire that exhibits a star-like phenomenon known as asterism. Star sapphires contain intersecting needle-like inclusions that cause the appearance of a six-rayed 'star'-shaped pattern when viewed with a single overhead light source.

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