Diamond and sapphire marquise ring

Marquise ring in platinum and white gold set with brilliant-cut diamonds, adorned in its center with a sapphire flanked by a line of calibrated sapphires.

Material: Platinum and 18k white gold
Hallmark: Eagle's head and Mascaron
Weight: 8 grs
Length: 3.5 cm
Width: 1.5 cm
Resizable ring size: 50
Carat count: 0.80 ct
Period: 1930