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.



I had to return a $220k watch, and get a replacement… Patek 5740/1G Nautilus Perpetual Calendar...
A blue dial AP with complications for under 30K? Audemars Piguet Royal Oak Annual Calendar...
The excited feeling of unboxing watches never gets old.
How to authenticate an Audemars Piguet. AP Royal Oak Offshore Chronograph 26471SR #watchdealer...

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 44mm Box/Papers No/No Year Condition Very Good

In Stock

Case Size 43mm Box/Papers Yes/Yes Year 2021 Condition Very Good

In Stock

Case Size 40mm Box/Papers Yes/Yes Year 2025 Condition Unworn

In Stock

Case Size 43mm Box/Papers Yes/Yes Year 2017 Condition Very Good

In Stock

Case Size 41mm Box/Papers No/No Year 2022 Condition Very Good

In Stock

Case Size 39mm Box/Papers Yes/Yes Year 2017 Condition Very Good

In Stock

Case Size 40mm Box/Papers Yes/Yes Year 2024 Condition New

In Stock

Case Size 37mm Box/Papers Yes/Yes Year 2022 Condition New

In Stock

Case Size 42mm Box/Papers Yes/Yes Year 2023 Condition Very Good

In Stock

Case Size 45mm Box/Papers Yes/Yes Year 2008 Condition Very Good

In Stock

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

In Stock

Case Size 39.5mm Box/Papers Yes/Yes Year 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 N667 Weight 2 Grams

In Stock

Material White Gold (WG) Reference N666 Weight 2 Grams

In Stock

Material Yellow Gold (YG) Reference P816 Weight 8 Grams

In Stock

Material Yellow Gold (YG) Reference P815 Weight 1.8 Grams

In Stock

Material Yellow Gold (YG) Reference P814 Weight 6.85 Grams

In Stock

Material White Gold (WG) Reference E16 Weight 9.6 Grams

In Stock

Material Two Tone Rose Gold (TTRG) Reference E14 Weight 6.75 Grams

In Stock

Material Yellow Gold (YG) Reference P813 Weight 3.4 Grams

In Stock

Material Two Tone Yellow Gold (TTYG) Reference BR32 Weight 17 Grams

In Stock

Material Yellow Gold (YG) Reference P812 Weight 4 Grams

In Stock

Material Yellow Gold (YG) Reference N666 Weight 30.2 Grams

In Stock

Material White Gold (WG) Reference P811 Weight 17.2 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.

How Long Does a Jewelry Appraisal Take?

The time needed for a jewelry appraisal can range from minutes to several weeks. Simpler [...]

Selling Your Antique Watch

Is Your Watch Antique or Vintage? In watch collecting, “antique” and “vintage” mark two different [...]

Smart Guide to Buying Pre-Owned Luxury Watches

Buying a pre-owned luxury timepiece can be a rewarding way to obtain renowned watches at [...]

Rolex Trade-In Guide to Get the Best Value for Your Watch

Rolex watches hold a special place in the luxury market thanks to their craftsmanship, iconic [...]

SEE MORE ARTICLES