TIFFANY PLATINUM & 18K DIAMOND MID-CENTURY BROOCH: A mid-century Tiffany & Co. 18K brooch, in the form of a tulip bouquet accented by 4 round brilliant cut diamonds in a platinum setting. The prong-set diamonds weigh approx. .08 cts, and are rated VVS-VS in clarity and F-G in color. Signed ''Tiffany & Co.'', with a locking bar pin closure. Overall weighing 9.4 grams and measuring approx. 2'' in length and 1'' in width. Est. $1800/2500**