1980s rhodium plated  pendant with square cut Swarovski center rhinestone with oval faux-pearl and molded clear resin surround on a faux-pearl chain with hook clasp. Marked "YSL" on the clasp. This was made by Monet for Yves Saint Laurent, as indicated by the style of the back and the clasp. The pendant measures: 2 1/2 inches across. The chain doubled measures: 10 1/2 inches long.  Excellent condition.