Excellent Royal Blue Sri Lanka sapphire white gold, set with an untreated Vivid Blue "Royal Blue" sapphire of ca. 6.56 ct. in an octagonal cut, surrounded by brilliant-cut diamonds totalling ca. 0.94 ct.; weight ca. 5.94 g. Enclosed GRS-Expertise GRS-2024-037732 Ring set with a royal blue sapphire (no indication of thermal treatment) approx. 6,56 ct. and small brilliants approx. 0,94 ct., in 18 k white gold. Certificate included.