Art Deco, platinum, sapphire and diamond ringThis ring is sold, sorry. See similar rings: Metal: platinum rings Gems: sapphire rings, diamond rings Type of ring: Art Deco rings Sapphire and diamond ring, circa 1925. Set with a superb deep blue oval sapphire weighing just over 2 carats, this ring masterfully pairs its central stone with two rare early 20th century triangular diamonds, which taper beautifully into the band. An excellent choice for an engagement ring the epitome of sophisticated