1.91 ctw Diamond Halo Engagement RingThis 18K white gold halo semi mount ring features a four prong setting designed for a 2. 50ct round center, accented with 14 channel set baguette diamonds totaling 1. 03ctw and 46 shared split prongset round diamonds totaling 0. 88ctw. 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.