A 18k white gold, emerald, diamond and sapphire ring, with certificateA 18k white gold, emerald, diamond and sapphire ring, with certificate Colombian rectangular cut emerald ct 7,41 Round cut sapphire approx. ct 1,80 Brilliant cut diamond approx. ct 1,60 Weight g 8,10 size 12 Gemological certificate n. 2021-038208 del 10/03/2021, GRS Luzern.