18 karat yellow gold and diamond pendant-necklace by Boucheron, France, accented throughout with 212 round diamonds weighing approximately 12.50 carats, gross weight 152.1 grams, length 16 1/2 inches, width of pendant 1 1/2 inches, signed Boucheron, numberd 56266, with workshop and French assay marks, oval pendant is detachable and necklace can be worn without.