Antique ring mounting old cushion diamond

Anello in oro giallo 18 carati e platino con diamante old cushion di circa 3,30-3,50 ct contornato da diamanti old cushion del peso complessivo di circa 1,50 ct e taglio a rosa.
Misura 54
Peso 16,26 g

18 carat yellow gold and platinum ring mounting old cushion diamond weighing approx. 3,30-3,50 ct surrounded by old cushion diamonds totalling approx. 1,50 ct and rose cut diamonds.
Size 54