A GIA Certified Natural Yellow and White Diamond Necklace made by GRAFF. The round yellow diamonds are bordered by two rows of round colorless diamonds. The necklace is stamped 750, for 18k gold with French assay marks and GRAFF. The total weight of the colored diamonds is approximately 19.20 carats. They range from Fancy to Fancy Vivid Yellow, Fancy to Fancy Vivid Greenish Yellow, and Orangey Yellow, with VS-SI clarity. The white diamonds weigh appx. 18.40 carats, F-G color and VS clarity. The total weight of the necklace is 136 grams. The length is 15¼ inches, making it choker-style. The necklace has a secure clasp fitted with a safety mechanism.