Ring in platinum, diamonds and natural star ruby

MATERIAL: platinum, diamonds and natural star ruby ??DESCRIPTION: ring made with a large cabochon-cut natural star ruby ??between two oval-cut diamonds, with 9.08 ct and 0.57 ct punches MEASURES: 6.25 ct ring WEIGHT: 9.06 ct natural ruby, 0.57 ct diamonds, complete with of Gemmological Certification Services, London, n. 79222-42, dated 01/07/2019, 5.9 g