Art Deco Dinner Ring with an Emerald Center, Sapphire Sides, and Diamond Surround

Period: c. 1920s-early 1930s Art Deco Materials: Platinum; sapphires; diamonds; emerald Dimensions: the ring measures 12.45 mm wide north to south across the top; the piece stands 3.60 mm tall above the finger (5.50 mm tall including the center stone) Size: a hair over size 5 (free sizing) Gemstones:       Center: .38 carat, est.; one deep-green emerald cut en cabochon; presumed natural; makeup, origin, and treatment unknown      Sides: .35 ctw., est.; six calibre cut blue sapphires; presumed natural; makeup, origin, and treatment unknown      Surround: .35 ctw., est.; sixteen Single Cut / Old European Cut diamonds with approx. G-H color and SI1 clarity overall (diamonds graded in their mounting by a GIA GD)   Item TS319LCWTC