As one of the most well-known names in Dallas, The Diamond Doctor offers a wide selection of high-quality diamonds and fine jewelry. Known for their excellent customer service and transparency, The Diamond Doctor helps clients find the perfect diamond with a vast inventory of engagement rings, wedding bands, and other fine jewelry.Shapiro Diamonds is another standout in Dallas when it comes to purchasing diamonds. With over 40 years of experience, they are experts in providing certified, conflict-free diamonds.