Hours Of Operations Ultra Diamonds North Carolina Smithfield 27577 Ultra Diamonds Hours of Operation and Location in Smithfield, NC 27577 4.2 - 89 votes 1025 Industrial Park Dr, Smithfield, NC 27577 (919) 938-2444 Get Directions Ultra Diamonds Hours Category: Accessories Jewelry Hours Hours may vary due to season or holiday reasons. For specific hours, please contact store directly. Map Explore SmithfieldView More Apparel CatoCarter'sVisionworksNikeCatherines Sports NikeSkechersAdidasReebokJones New York Jewelry CatoBelkKay JewelersChico'sClaire's Outlet Recommend For You Calvin Klein L'Eggs Hanes Bali Playtex Otlt Naturalizer Shoes Boost Mobile Jones New York Loft Oshkosh B'Gosh Izod Radio Shack Reebok