IVY Double Tourmaline Ring in 18K Gold antique A sleek white gold band

A sleek white gold band is flush set with a pair of diamonds and a trio of accent emeralds

pavé-set with diamonds and enhanced by a pear-shaped tsavorite

Playing on the posh past of luxury designer Cartier

The black leather band can be adjusted for length

set with rubies

IVY Double Tourmaline Ring in 18K Gold antique A sleek white gold bandThe ring top set with a yellow tourmaline, weighing 4. 14 carats, and an orange tourmaline, weighing 3. 93 carats, bordered by diamonds set in yellow gold, within a second diamond border in white gold, to the yellow gold band, all in 18k. Chip on the pink tourmaline. The retail price in 2014 was $13,800.