View A FINE TIFFANY CO., JEAN SCHLUMBERGER TOURMALINE AND DIAMOND FLOWER RING by Jean Schlumberger on artnet. Browse upcoming and past auction lots by Jean Schlumberger. Price Database. 15 December ...

The extraordinary Black Opal Double Finger Ring is a glimmering and colorful combination of rare Black Opal, lush Green Tourmaline, and pear shape Blue Sapphires, totaling in 8.77 carats.

For a truly eye-catching example of opal, go big, like this cocktail ring does with a 13.34 carat opal, accented by diamonds. ... Ruby & Pink Tourmaline Ring. $4,900 at Saks Fifth Avenue.