Art Deco Sapphire and Diamond Brooch In Platinum. Lady’s pierced platinum, diamond and synthetic sapphire pin. The marquis-shaped pin contains twenty-four bead set Old European Cut Diamonds, three bead set Brilliant Cut diamonds and sixteen channel set Baguette Cut blue synthetic sapphires. The pierced gallery of the piece is of delicate scrollwork. The pin is embellished with both double and single milgrain, high polished and in very good condition. The brooch weighs approximately 6.60 grams. The total estimated diamond weight is 2.20 carats. The total estimated synthetic sapphire weight is 0.54 carats. Size: 1 1/8 x 5/8 x 3/8 in. #1367