A glittering row of diamond-cut pink sapphires or diamonds twinkle in this sleek stackable ring. This unique white gold ring is dramatically shaped with a long, smooth knife-edge shouldering each side of the stones, offering a very modern take on the traditional stacker. So pretty, you might just see one of these sparkling at you in the sky above.   diamond: .30 carats of SI/G diamonds in 14K white gold. $675. pink: .25 carats of pink sapphires in 14K white gold. $575. Rings measure approximatey 2 mm tall.