Buy Now: http://www.fascinatingdiamonds.com/ring_detail.php?id=1544. FDENR8596ROR Tapered Cathedral Round Diamond Pave-Set Engagement Ring By Fascinating Diamonds. This Round diamond Cathedral Crown set engagement ring features Round diamonds in descending on the band of the ring and on the 4 prongs that hold the center round diamond. Also Available 18k and 950 platinum.