Monica Rich Kosann crescent moon pendant necklace. Polished 18-karat yellow gold chain and hardware. Integrated crescent moon and star stations. Round-cut white diamonds and crystal opals. Approx. 16-18"L; 1.25"H x 1.125"W drop. From the Sun Moon Stars Collection. 1.69 total crystal opal carat weight. 0.597 total diamond carat weight.