Ultra Diamonds outlet store locations
- Ontario Mills - 1 Mills Circle, Ontario, CA 91764-5207
- The Block at Orange - 20 City Boulevard West. Orange, CA
ULTRA Diamonds is the 5th largest jewelry store chain in the country and the largest seller of fine jewelry in factory outlet and value centers in the nation. ULTRA is both a manufacturer and a direct importer of diamonds, gemstones, and gold jewelry.