Ring Marguerite en yellow gold, ruby and diamonds

Ring at yellow gold 750 thousandths (18 carats). set with a glassfield ruby and diamonds. 1 oval-cut ruby. total weight approx. 1.00 cts. surrounded by 12 diamonds brilliant-cut rubies, total weight approx. 0.72 ct. diamond weight approx. 0.06 ct). top width: 1.60 cm. Size size: 60. total weight: 5.65 g. owl hallmark. excellent condition.