Buy Now: http://www.fascinatingdiamonds.com/ring_detail.php?id=121. FDENS367RO Round Diamond Wedding Rings Set Cathedral Setting With Round Side Stones Channel Set By Fascinating Diamonds. This gorgeous 14 karat white gold cathedral style rings set holds a round center stone with 30 round diamonds channel set on the ring and 33 round diamonds channel set on the band. Also available in 18 karat and platinum.