Diamond ring Set with a marquise-shaped diamond weighing 9.32 carats, the open work shoulders embellished with brilliant-cut stones, mounted in platinum, size 55. Accompanied by GIA report no. 2105593157 stating that the diamond is I Colour, SI1 Clarity....

Magnificent 22.30 carats Marquise-shaped Diamond ring, Harry Winston, circa 1975 Claw-set with a marquise-shaped diamond weighing 22.30 carats, between trapeze diamond shoulders, mounted in platinum, size 53, unsigned. Accompanied by GIA report no. 1102517508...

Fine Diamond necklace, Harry Winston and a 37.49 carats step-cut sapphire and diamond pendant The necklace designed as a line of marquise-shaped diamonds, length approximately 440mm, numbered, maker's marks for Jacques Timey, suspending a pendant set...

Columbian emerald and marquise-shaped diamonds ring The emerald-cut emerald weighing 7.21 carats, framed by 24 marquise-shaped diamonds weighing approximately 2.00 carats, mounted in 18 karat gold, size 6¼. Est. 30,000—40,000 USD. Lot Sold 59,375 USD...