Mellerio Diamond and Platinum Necklace and Tiara, circa 1950. Photo courtesy Macklowe Gallery

A French platinum and diamond necklace/tiara by Mellerio. The necklace features 200 round-cut diamonds with an approximate total weight of 44.25 carats, and 200 baguette diamonds with an approximate total weight of 45.75 carats. Approximate total carat weight is 90.00 carats. The triple row necklace is formed of two outer rows of round cut set diamonds and a center row of baguette diamonds which separates forming a separate bracelet. The tiara frame is decorated with 7 round cut pastes. Mellerio fitted Box. Signed: Mellerio and house marks, French control marks for platinum and white gold. Signed: Mellerio and house marks, French control marks for platinum and white gold. Dimensions: 16½” in length x 9/16” at widest. Price Range:  Over $100,000

Macklowe Gallery www.macklowegallery.com