Ring with old cushion diamond

Anello a fascia in oro giallo e bianco 18 carati con diamante old cushion di circa 2,50 ct contornato da diamanti old cut e rubini.
Misura 51 
Peso 14,45 g 

18 carat yellow and white gold ring mounting an old cuhion diamond approx. 2,50 ct surrounded by old cut diamonds and rubies.
Size 51