Auction Royal ruby left unsold at Sotheby's Geneva
Auction Rare yellow diamond and Bulgari necklace top lots at Sotheby’s Hong Kong spring jewelle...
Auction Excitement grows as Rolex Datejust watch belonging to President Eisenhower comes up for...
Auction Christie's sell Archduke Joseph Diamond and for record $21.5 million
Auction Christie's to sell the Archduke Joseph Diamond
Auction Beau Sancy diamond sells at Sotheby's for US$10 million
Auction Sotheby's to auction the Beau Sancy diamond
