Round and baguette diamond ballerina cluster ring. Set with a central round old cut diamond in a raised open back six claw setting with a weight of 1.00 carat, encircled by a row of ten round old cut diamonds in open back claw settings with a combined weight of 1.00 carat, stepped down to twenty rectangle baguette cut diamonds set in an outward spray in open back claw settings with a combined weight of 1.00 carat. The total approximate diamond weight is 3.00 carats. The outer row is supported by linear structural claws that extend down to a conforming finger gallery, exposing intricate pierced backholing, and continuing down to heavy split tapered shoulders and a solid shaped shank. Tested platinum, French, circa 1950.