ART DECO EGYPTIAN REVIVAL 14K OPAL & DIAMOND ENAMELED WATCH PIN: CA. 1900-1910 Egyptian revival watch pin with one pear shaped cabochon cut opal. WEIGHT: 1.00 Ct. Approx. Red/orange play-of-color. Blue enameled wings. Some enamel missing. One old mine cut diamond. Weight: .05 Ct. Approx. Rated VS in clarity and H-I in color. The diamond is prong set. the opal is bezel set. Bar pin closure with watch hook on reverse. Signed: Riker Brothers. Weight: 4.4 grams. Approx. 1.5'' in width