Address: 136 S 8th St a, Philadelphia, PA 19107, United States PH: 215-922-1501 Website: https://www.tnsdiamonds.com/ Description: TNS Diamonds is located on Philadelphia’s Jewelers Row. We are a family run business who can take the time to personally assist each customer. We carry a large variety of top name Swiss Brand Watches, as well as a huge selection of Fine Jewelry. We have onsite jewelers and watch technicians that can assist customers very quickly. TNS has a large selection of high quality diamonds for... read full review »