SIGNED GROGAN CO. (FLORENCE, AL) ART DECO PLATINUM AND DIAMOND SHAPED OBLONG GEOMETRIC OPENWORK BROOCH,circa 1925. Old European cut round diamond weighing app. 1.50 ct., centered by four old European cut diamonds each weighing between .65 and .85 ct., surrounded by 134 smaller old mine cut diamonds and 28 rectangular baguettes. Total weight of 167 diamonds app. 12 ct. - L: 2 1/2 in.; Gross wt.: 15 dwt. Estimate $8,000-12,000
