High-quality, 1 carat diamond rings have proved to be the most sought-after diamond engagement ring that can prove one of the most precious gifts for your beloved. If you are looking to pack the ...

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 ...