This 18KT White Gold product can accommodate a round or cushion diamond shape. Available in 18KT White, Yellow and Rose Gold, as well as Platinum. Matching Wedding Band sold separately. Central Diamonds Weight Available Diamond: 0.30CT till 3.00CT. Central Diamonds are Available in Lab Grown and Natural. Diamond Colour Available from IF till SI2. Smaller Diamonds on Mounting are Natural Diamonds. Total Diamonds Weight on Mounting: 0.36CT E-VVS