Art Déco stiled ring with sapphire and 24 diamonds, including 2 old-cut diamonds, totalling approx. 0.18 ct, STW (I)/P, 22 old-cut diamonds, totalling approx. 0.44 ct, STW-TW (I-L)/SI-P, faceted cushion-cut sapphire, approx. 5.5 x 5.5 mm, 14K yellow gold, faceside platinum, 4.3 g, ring size: 58.5, W: approx. 1 - 24.1 mm, 1st half of the 20th century, signs of wear, handcrafted work with ajour- and mille-griff work.