18K TIFFANY & CO. FLORAL DIAMOND BROOCH: 18K yellow gold brooch contains twenty one round brilliant cut diamonds. WEIGHT: .50 Ct. Approx. The diamonds average VS in clarity and F-G in color. The diamonds are prong set. Floral design with bar pin closure. Weight: 11.1 grams. Approx. 1.75'' in length. Signed: Tiffany & Co.