DIAMOND & COBALT ENAMEL CROWN BROOCH / WATCH PIN: Cobalt enamel on 14K yellow gold crown form brooch with 6 round brilliant cut diamonds and 5 round single cut diamonds. Approx. .68 CTW. The diamonds average VS-SI in clarity and G-M in color. The diamonds are prong set. Bar pin closure and pivot ball. Weight approx. 15.2 grams. Est. $2000/2500**