ANTIQUE 18K DIAMOND & EMERALD STICK PIN: Clover motif 18K rose gold stick pin contains ten old European and old mine cut diamonds. Weight: .25 Ct. Approx. The diamonds average SI in clarity and I-J in color. One emerald cut emerald. Weight: .10 Ct. Approx. The diamonds and emerald are prong set. Non gold clutch. Weight: 2.3 grams.