MATERIAL: white gold, diamonds and star sapphire DESCRIPTION: ring made with cabochon star sapphire surrounded by brilliant-cut diamonds, bears the mark 750 MEASURES: RING 7 WEIGHT : star sapphire ct 22.0, accompanied by certificates issued by Gemmological Certification Services number 5777-9106 dated March 2, 2017, diamonds ct 1.80, 19.7 gr