Ritani for Forevermark Micropave Diamond Platinum Engagement Ring Mounting 1RZ4416.  This engagement ring mounting is made of platinum and the prong setting is designed to hold a 1 carat round-cut diamond.  There are diamond accents set under the center stone and prong-set round-cut white diamond micropave on the ring shank.   Total diamond weight without the center stone is 0.36 carats.