Perhaps catching on to the Queen's love of rubies, the Emir of Qatar sent her this diamond and cabochon ruby necklace in the 1980s. Max Mumby/Indigo // Getty Images.

Our fascination with the magical and mysterious cosmos comes brilliantly to life in the dazzling creations from the iconic ...

High Jewelry Polychroma collection necklace, featuring a pear ruby worth 12.29 carats. 3 ... Caviar ring featuring cabochon turquoise and emeralds, carved ruby "leaf" ring with brilliant-cut diamonds.

Among Belperron’s pieces in the sale is a cabochon ruby and diamond necklace, which captures her skill of using combinations of materials and gemstones to create sculptural and abstract works of ...

The diamond fringe necklace is 1950 Van Cleef and the ruby and emerald necklace is from 1965, ... accented by cabochon sapphires, further set with old European-cut and single-cut diamonds, ...

Bulgari’s amethyst-encrusted necklace takes its cue from an archival piece worn by the socialite Lyn Revson. Bulgari’s new rose-gold Lotus Cabochon necklace. Price on request, bulgari.com ...