Style/Date: Deco, 1920's Materials:   Platinum, diamonds Description: Handmade platinum deco plaque diamond pin/pendant with center marquise, .56ct approx., L  SI1, and 1.38ct melee approx., G-H  VS range. Diamonds are bead set, marquise is bezel set, miligraining all around. The bail is retractable to become a pin.