Ring in platinum, diamonds and natural purple starry sapphire

MATERIAL: platinum, diamonds and natural purple starry sapphire DESCRIPTION: ring made with a natural purple star-shaped sapphire cabochon cut between two demi-lune cut diamonds MEASURES: ring 6 WEIGHT: natural purple sapphire ct 15.68, accompanied by a certificate Gemmological Cetification Services n. 79221-95, dated 06-27-2019, total 1.25 ct diamonds, 7.7 g