Art Deco Platinum, Diamond, and Emerald and Synthetic Emerald Brooch, Katz & Ogush designed in a stylized ribbon motif centering on a bezel set old European cut diamond (5.25 x 5.25 x 2.88 mm) weighing approximately .50 carat (H color, SI1 clarity) and bead set throughout with old European cut diamonds weighing approximately 1.16 total carats (H-I color, VS2-SI1 clarity) and with emerald and synthetic emerald accents channel set to terminals, with milgrain detailing to mount and completed with a single locking pin stem, stamped Platinum and Certified and with maker s mark for Katz & Ogush. Total diamond weight approximately 1.66 carats. 3/8 x 2.5 in. 4.1 dwt. 品相报告: Good estate condition; most emeralds with age appropriate chips and nicks visible under magnification.