0.65 ctw Diamond Solitaire Engagement Ring18K white gold cathedral semi mount ring with a 4 prong setting for a 2. 50ct round center and milgrain detailing in the gallery. Features 0. 25ctw prong set graduating round diamonds and 2 prong set pear diamonds totaling 0. 40ctw. 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.