Vintage Round Bloom Engagement RingTacori Vintage Engagement Ring. Its French cut setting allows for maximum light reflection, enhancing the brilliance of the round brilliant cut center stone. Crafted in 18k white gold, the ring is adorned with 0. 53 carats of G VS diamonds for an enchanting sparkle. Ready for a 1ct size round stone in the center. Current size is 6. 5 and can be sized up or down approximately 1 size in either direction.