Buy Now: http://www.fascinatingdiamonds.com/ring_detail.php?id=922. FDENS4028MQ Marquise Shape Diamond Engagement Wedding Rings Set in Swirl Channel Setting By Fascinatingdiamonds. This swirl style rings set holds a heart Shape center stone, ten round diamonds are channel set on the ring and twelve are set on the band. Also available in 18 karat and platinum.