BLOOM RING PURPLE AMETHYSTMetal: 9K yellow goldStone: amethystCut: pearColor: pale pink purpleCarat: 4. 25ct This minimal ring can be perfect as a modern engagement ring. For her Signature collection, Natalie Schayes has designed a ring with an Amethyst stone that fits perfectly between the fingers, as if the stone was floating. As a contemporary solitaire ring, you can wear the stone on both sides of the finger for a different look.