The Blue Diamond

The Blue Diamond is a family-owned fine jewelry retailer located at 1803 Missouri Blvd in Jefferson City, specializing in custom engagement rings, diamonds, and bridal jewelry with over 30 years of experience. Founded by owner Mary Kay Kempker, who began her jewelry career in 1980 and established the retail store in 1990, the business offers comprehensive services including jewelry design, repairs, appraisals, and sales of both natural and lab-grown diamonds. The team is known for their personalized customer service and commitment to creating one-of-a-kind jewelry pieces for the Jefferson City community and beyond.