Hours Of Operations Ultra Diamonds California Milpitas 95035 Ultra Diamonds Hours of Operation and Location in Milpitas, CA 95035 4.1 - 69 votes 561 Great Mall Dr, Milpitas, CA 95035 (408) 263-6621 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 MilpitasView More Apparel MarshallsRoss Dress for LessBurlington Coat FactoryBig LotsH & M Sports Sports AuthorityBig 5 Sporting GoodsNikeSkechersAdidas Jewelry MarshallsBurlington Coat FactoryZalesSaks Fifth AvenueKohl's Outlet Recommend For You Calvin Klein Naturalizer Shoes Boost Mobile Birkenstock Oakley Izod Radio Shack Reebok Love Culture Saks Fifth Avenue