Diamond Solitaire Ring with Ornate Shoulders. Art Deco circa 1930. 18 carat yellow gold and platinum, marked 18CT and PT. Claw set with an old cut diamond. Diamond measures approximately .40 carat. Diamond G colour, VS clarity. Ornate shoulders, millegrain set with a diamond to either side leading to a plain band shank.
To the reverse the diamond is set into an open back setting, this allows the light to shine through.
The solitaire diamond measures approximately 5 mm across.