A platinum white gold and diamond ring Mid 20th century Centred with a marquise-cut diamond weighing 3.09 ct, surrounded by 14 modern brilliant-cut diamonds and two emerald-cut emeralds, with HRD certificate 190000162892 stating that the diamond colour is G, clarity VVS1, showing Nil fluorescence with very good polish and very good symmetry. Gross weight approx. 6.6 g Ring size 54/ 17