sterling silver 6.5mm (1ct) round cut zirconia solitaire engagement ring-platinum plated-size 5 nana jewels pure brilliance zirconia. round solitaire engagement ring made with pure brilliance zirconia with 16 accent stones on the shank to enhance the beauty of this simulated diamond engagement ring. available in sterling silver, platinum plated yellow gold plated & rose gold plated. finger size range from size 4 to 12 including half sizes (usa sizes). center stones is available in five different sizes for you to choose from: 6.5mm equivalent to 1.00 carat diamond look, 7.5mm equivalent to 1.50carat diamond look, 8.00mm equivalent to a 2.00 carat diamond look, 9.00mm equivalent to 3.00ct diamond look or 10.00mm equivalent to 4.00ct diamond. the 16 stones on the side are 1.70mm each equivalent to two-point diamond look each. for more information, please view the cad image in the listing.