Lot 23. An Art Deco 4.12 carats diamond ring, circa 1925. Estimate US$ 100,000 - 125,000 (€84,000 - 110,000). Sold for US$ 112,500 (€94,944) Photo: Bonhams.

centering a round brilliant-cut diamond, weighing 4.12 carats, set within an ornate setting, accented by similarly cut diamonds; mounted in platinum; size 5 3/4

Bonhams. FINE JEWELLERY, 4 Dec 2017, 15:00 EST, NEW YORK