Estate Diamond Pin and Earring Suite - 50-1-1235 - Lang Antiques. 3.50 carats of bright-white diamond dew drops glisten night and day atop this delightful, mid-century vintage leaf brooch with matching earrings. These jewels are superbly hand made with platinum-topped 14K yellow gold wire work. Lovely. The brooch measures 2 inches by 1 inch and the earrings measure 1 inch by 1/2 inch.