Shop and Sell
the World’s Most
Luxurious Watches.

Discover one-of-a-kind timepieces and sell yours in minutes— fast, trusted, and always authentic.

SHOP NEW ARRIVALS SELL YOUR WATCH TO US

Rated 4.9 Stars on Google Reviews

Stockist of the biggest Luxury Brands

INSIDE TNS DIAMONDS

Our content goes beyond inventory. On our social channels we share stories behind our watches, insights from a luxury dealer, and deep dives into the pieces collectors love most.



These are the types of deals that keep us busy! Selling a watch is great, but when we get trades it continues to turn into more and more deals. Stay tuned as Austin unboxes 18 trade-in watches toward 1 piece.  #watchdealer #luxury #unboxing
MELTING A ROLEX SKYDWELLER 😭  #rolex #watchdealer #luxury
Watches built with PRECISION in mind. Our first Ferdinand Berthoud in the store. Hopefully not the last.  #watchdealer #luxury #ferdinandberthoud
Are you familiar with Vianney Halter?  #watchdealer #luxury #vianneyhalter

NEW WATCH ARRIVALS

From Rolex to Cartier to AP, these are our fastest moving pieces. Trusted by collectors, worn by trendsetters, and selling quick.

Case Size Box/Papers Yes/Yes Year 2025 Condition Very Good

In Stock

Case Size 43mm Box/Papers Yes/Yes Year 2023 Condition Unworn

In Stock

Case Size 44mm Box/Papers Yes/Yes Year 2022 Condition Very Good

In Stock

Case Size 39mm Box/Papers Yes/Yes Year Condition Very Good

In Stock

Case Size 43.5mm Box/Papers Yes/Yes Year 2023 Condition New

In Stock

Case Size 42mm Box/Papers Yes/Yes Year 2025 Condition New

In Stock

Case Size 44mm Box/Papers Yes/Yes Year 2023 Condition Very Good

In Stock

Case Size 45mm Box/Papers Yes/Yes Year 2016 Condition Very Good

In Stock

Case Size 46mm Box/Papers Yes/Yes Year 2010 Condition Very Good

In Stock

Case Size 42mm Box/Papers No/No Year Condition Very Good

In Stock

Case Size 42mm Box/Papers Yes/Yes Year 2025 Condition Very Good

In Stock

Case Size 38.5mm Box/Papers Yes/Yes Year 2018 Condition Very Good

In Stock

NEW JEWELRY ARRIVALS

Explore our curated selection of luxury jewelry including gold chains, designer rings, and timeless diamond pieces.

Material White Gold (WG) Reference P857 Weight 8.3 Grams

In Stock

Material Platinum (PT) Reference BR64 Weight 20.62 Grams

In Stock

Material White Gold (WG) Reference P856 Weight 12.1 Grams

In Stock

Material White Gold (WG) Reference P855 Weight 15.4 Grams

In Stock

Material White Gold (WG) Reference P854 Weight 9 Grams

In Stock

Material White Gold (WG) Reference P853 Weight 13.2 Grams

In Stock

Material Sterling Silver 925 Reference DY4 Weight

In Stock

Material Titanium (TI) Reference DY2 Weight

In Stock

Material Sterling Silver Reference DY1 Weight

In Stock

Material Two Tone Yellow Gold (TTYG) Reference BR63 Weight 9.6 Grams

In Stock

Material Two Tone Rose Gold (TTRG) Reference N716 Weight 394.4 Grams

In Stock

Material White Gold (WG) Reference N715 Weight 30.3 Grams

In Stock

GOT JEWELRY TO FIX OR SELL?
START WITH A TEXT!

Text us a photo and we’ll get back to you fast — no pressure, no
bots, just real people who know the value of what you’ve got.

CLICK TO TEXT US — 215-922-1501
SELL WATCH SELL JEWELRY

We discreetly buy your luxury items — no serials or seller info is ever disclosed. Our in-house team professionally photographs and markets your piece online and in our boutique.

SELL MY WATCH

Trade your timepiece or jewelry with full confidentiality. Each exchange is managed with care and precision by our in-house specialists.

TRADE NOW

We restore and service luxury items with expert craftsmanship, using bespoke techniques to preserve their original beauty and integrity.

GET A REPAIR

WHY CHOOSE TNS

TNS Diamonds is a trusted family-run business located in the heart of Philadelphia’s historic Jeweler’s Row. With decades of experience, we specialize in luxury Swiss watches, fine jewelry, and high-quality diamonds — all photographed and sold exactly as shown.

Our expert watch technicians and in-house jewelers provide fast, hands-on service, including repairs, custom jewelry projects, and engagement ring design. If we don’t have it in stock, we’ll source it — and if you’re ready to sell or trade, we’ll make it easy.
If we don’t stock it, we can locate it!

INSIGHTS FROM THE EXPERTS

Explore our blog for buying guides, watch care tips, and behind-the-scenes looks at the luxury watch and jewelry world. Whether you’re a first-time buyer or a seasoned collector, our articles are here to help you stay informed.

Entry-Level Luxury Watches That Hold Value: Best Starter Picks for 2026

Entry-level luxury watches sit in the sweet spot where build quality, brand heritage, and everyday [...]

Sustainable & Ethical Jewelry: The Social-Media Buzz You Can’t Ignore

From TikTok jewelry hauls to Instagram “unboxing” videos, one phrase keeps showing up in the [...]

How to Spot Fake Watches & Jewelry: What Instagram Filters Can’t Hide

Online luxury has never felt more accessible. One scroll through your feed and you will [...]

Gold At New Highs. Why It Happened And How To Make The Most Of It?

Gold set fresh highs again. Prices sit near records, and that ripple reaches kitchen tables [...]

SEE MORE ARTICLES