Art Deco Diamond Onyx Platinum-Topped 14 Karat Gold Ring square step cut Oscar Heyman serial number with

Oscar Heyman serial number with stamp for platinum

Alternating with round natural pearls measuring approximately 4

Drop measures: 1 x 3/8 inch

transparent and medium-dark forest green in color

Art Deco Diamond Onyx Platinum-Topped 14 Karat Gold Ring square step cut Oscar Heyman serial number withCentering a rectangular tablet of onyx with fancifully faceted edges, measuring approximately 15. 9 x 12. 0 mm; opaque black with a very good polish Inset with a transitional cut diamond, bezel set in platinum, weighing approximately 0. 20 carat, I color with SI clarity Flanked by pointed geometric shoulders bead set with single cut diamonds weighing approximately 0. 06 carat, eye clean and white Completed by cinched scalloped shoulders and platinum