Buy Now: http://www.fascinatingdiamonds.com/ring_detail.php?id=1744. FDENS3023HTR Petite Heart Shape Diamond Engagement Ring By Fascinating Diamonds. This Petite Emerald diamond Engagement ring features 10 round diamonds total carat weight 0.20 ct in shared prong setting to give a fuller effect. Also available in 18k and 950 platinum.