Van Cleef & Arpels style 53.16 Carat Multi Color Gemstone, 1.48 Carat Round Brilliant Cut Diamond and 18 Karat White Gold Necklace with Detachable Pendant. Fine quality stones throughout. Stamped 18K. Very good condition. Measures 15-1/2\ L, 3\ Drop (detachable pendant). Approx. weight: 57.2 grams.