Yellow gold, ruby ​​and diamond ring

A ruby ​​and diamond ring in 18k yellow gold (750/1000). It features one oval-cut ruby ​​weighing approximately 0.46 ct, surrounded by 18 square-cut rubies totaling approximately 0.36 ct, and 22 brilliant-cut diamonds totaling approximately 0.11 ct (each diamond weighing approximately 0.005 ct). The band measures 0.95 cm wide and fits a ring of size 54. The total weight is 3.75 g. It bears the French eagle's head hallmark and is in excellent condition.