AUTHENTICITY GUARANTEED - at tns diamonds
Text Us - (215) 922-1501
Family owned - We care for our customers
TNS Diamonds is a family run jewelry store at 136 S. 8th Street on Philadelphia's Jewelers' Row, established in 1991 and building on a family history in the trade going back over 40 years.
The collection covers gold chains and necklaces, bracelets, earrings, rings and lockets, often set with gemstones, alongside diamond jewelry, engagement and wedding pieces and designer jewelry from Gucci, Hermès, Chrome Hearts and Louis Vuitton as it comes through.
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We were among the early adopters of diamond certification and hallmarking on the Row, and that has shaped how we operate since. Every product photo on the site shows the actual item you will receive, never a stock image.
Being family run means you deal with people who can take the time. We keep jewelers and watch technicians onsite rather than sending work out, which covers repairs, custom design and appraisals under one roof.
136 S. 8th Street, Philadelphia PA 19107, on Jewelers' Row in Center City. Open Monday to Friday, 10:30am to 5:30pm, closed weekends. Call 1-800-586-1792 or text 215-922-1501.
Yes. Our onsite jewelers and watch technicians provide appraisals for insurance, resale and estate planning purposes. Call 215-922-1501 to arrange one.
Yes, onsite rather than sent out, which means faster turnaround and you can ask the person who did the work what they did. We handle Swiss watch repair on the same premises.
Yes, including complex projects. We've made championship style sports rings and custom pendants, and we take on work other shops turn down.
Yes. If you're after something specific that isn't in our inventory, our sourcing network can usually find it. Call with the details.
Yes. We buy jewelry, diamonds and watches. Start with selling to us or call 215-922-1501.
Necklaces, bracelets, earrings, rings and lockets, often set with gemstones, plus diamonds for engagement rings and specialty items like diamond bezels, diamond dials and watch accessories.