PalmBeach Jewelry 1/5 TCW Diamond Platinum over .925 Sterling Silver 2-Piece Wedding Ring Set Top Rated Seller - Trusted Since 1952 - 90 Day Guarantee - Easy Returns - Free PalmBeach Jewelry Gift Box Platinum Over Sterling Silver - Quality Stamp (.925) Diamond is a precious gemstone so brilliant and dazzling it is the most desired gemstone of all. Ring Style: Bridal Set Swirled and sparkling with 1/5 carat T.W. of round diamonds, this marquise-shaped ring set is a contemporary wedding choice beautifully styled in shining platinum over sterling silver. Sizes 5-10. (All carat weights are approximate and may vary slightly from those listed.)