Pâquerette ring featuring onyx and malachite set in 18K gold; and Pâquerette ring featuring blue agate and white mother-of-pearl set in 18K gold. With its decades-old tradition, Van Cleef ...

Cartier High Jewelry necklace in 18K rose gold with coral beads, coral and onyx motifs ... topaz and amethysts of diamonds set in 18K white gold and titanium, and ring featuring a 13.56-carat ...