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. ULTRA opened its first store in August 1991 in Gurnee, IL. Daniel H. Marks, founder, President, and CEO is a third generation jeweler with over 28 years of merchandising and jewelry experience.
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