Lot 227, a spectacular diamond pendant necklace, set with a briolette-cut diamond weighing approximately 50.05ct, D color, Flawless clarity, with excellent polish and excellent symmetry, mounted in platinum (estimate: US$5.5-7.5 million)

Lot 227, a spectacular diamond pendant necklace, set with a briolette-cut diamond weighing approximately 50.05ct, D color, Flawless clarity, with excellent polish and excellent symmetry, mounted in platinum (estimate: US$5.5-7.5 million).