Fine ruby and diamond ring. Photo Sotheby's Centring on an oval ruby weighing 6.01 carats, surrounded by marquise-shaped diamonds together weighing approximately 2.50 carats, highlighted by circular-cut yellow diamonds, mounted in 18 karat white and yellow...

Hong Kong – Christie’s, the world’s leading auction house for the sale of extraordinary jewels at auction, will present its annual Fall sale of magnificent jewels on 1 December at the Hong Kong Convention & Exhibition Centre. Featuring over 250 jewels...