Other singular standouts include a 20.1-carat diamond ring (estimated at up to $1.2 million), a pair of Harry Winston spinel and diamond earrings ($400,000 to $600,000), and an Art Deco sapphire ...

Kate Middleton received a “very special” ring when Prince William popped the question with his mother’s iconic sapphire-and-diamond stunner. WireImage The pair stepped out for their official ...