0.50 ctw Diamond Solitaire Engagement RingThis 18K white gold semi mount ring from the Noam Carver Collection features a 5 prong crown designed to hold a 2. 00 carat pear shaped center. Two pear shaped side diamonds, totaling 0. 50 carats, are set in 3 prong settings. In store ring is a sample. Available by special order only. Other metal colors, types, diamond shapes, and sizes are also available by special order. Center sold separately.