The Diamond Cellar is one of the largest independent jewelry stores in the United States, representing some of the finest brands in the world. It's a long way from our humble beginning as a trade shop serving other jewelers in Columbus, Ohio. But through it all, one thing has remained the same. We have always strived to offer the finest service available. Whether it's in sales, custom design or repair, you'll deal with some of the most talented and highly trained people in the country.