Fraud Blocker Ask Us About Luxury Watches, Rolex, Patek Philippe, & Diamonds


I have used diamond earrings that I don't need anymore. How can I sell them through Diamond Source NYC?

Whatever your location, it is important to find a reputable buyer with an impeccable reputation that cares for your privacy.

Whether it is a set of diamond earrings, a diamond engagement ring, or a diamond necklace, Diamond Source NYC can offer you the best value in New York City for your jewelry. We even buy broken pieces in many cases. To learn more about the types of jewelry we buy, visit this link: Jewelry Buyers. Sell Your Used Jewelry in New York, NY (

Here is our process: 

Step 1: Please visit our store. Make sure to bring the items you would like to sell as well as the proper documentation for your identity.

Step 2: Our experts will inspect and evaluate your items. The appraisal is free, and we will do this while you wait. You will receive the results on your visit.

Step 3: We will provide cash on the spot once you accept our offer. There are no forms to complete. We will keep the transactions confidential.

Why are Rolex watches sought after?

Rolex watches are the most famous and popular among all Swiss watch brands for men. An estimated 800,000 to 1,000,000 of these are made each year. However, these watches are in high demand, particularly the high-end varieties such as the Cosmograph Daytona and the Rolex Submariner.

Rolex watches are renowned for their beauty, mechanical precision, and reputation for quality and reliability. Rolex watches have various styles that can meet almost every need. Women's Rolex watches are elegant and refined. These watches can match most outfits and work well with a variety of other jewelry.  Men's Rolex watches provide a sleek sense of style and ruggedness. Though Rolex watches look good with business attire, they also look fantastic with casual clothing.

Why do used Rolex watches bring more value to the buyer?

Many Rolex releases are in demand because supplies for some styles are limited. With some notable exceptions, used Rolex watches are usually more affordable than new ones. Even when used, Rolex watches are durable and reliable and are typically available at the same level of quality as buying a brand new one. Moreover, the quality of materials put in each Rolex watch by themselves is extremely valuable. For example, the diamonds in Rolex watches are worth a lot on their own.  

Some pre-owned Rolex watches fetch a higher value in the used watch market than new ones. Some used Rolex Daytona watches, for instance, are highly-sought-after. 

What makes an Audemars Piguet watch very special?

Audemars Piguet watches are comparatively rare. Only 40,000 watches are produced annually. 

The upfront price for an Audemars Piguet watch is generally higher than a Rolex and is considered among the "Big 3" by watch enthusiasts, whereas Rolex is not.

Audemars Piguet watches have more detailed finishing than most other luxury watch brands. Both for the mechanical components and the casing itself. The level of complications for Audemars Piguet watches is generally higher than in most luxury watch brands.

How can I find an affordable and genuine Patek Philippe watch?

Even if you buy pre-owned, you can get the most value from a Patek Philippe watch. Genuine Patek Philippe watches are very durable, resistant to damage, and can retain their quality for a long time.

Diamond Source NYC can help you determine if a Patek Philippe watch is genuine.

All the new and pre-owned Patek Philippe watches you will find in our store are genuine and we guarantee their authenticity. The quality of their internal parts and workmanship make these watches difficult to copy.

Why do Patek Philippe watches hold their value well?

With just under 1 million Patek Philippe watches developed and produced since the company was founded in 1839, the supply of Patek Philippe wristwatches is scarce.

Each watch is handcrafted with the level of quality and traditional approach to manufacturing that Patek Philippe is renowned for. Each timepiece takes months to produce, with some models taking up to 9 months.

Patek Phillippe watches have complications and an annual calendar. 

Discontinued models are highly sought after by collectors and can reach more than ten times their original retail price.

The waitlist for some models, such as the Aquanaut, is very long. It will take months before you can get your hands on one.

I haven't decided on a design for a diamond engagement ring. Do you have the perfect diamond to fit an engagement ring of my own design?

Yes. We have an inventory of over 25,000 GIA-Certified loose diamonds in our store.

With diamonds of every shape, size, and quality available for sale, we can help you find the perfect diamond for your custom piece. 

You can view our collection when you visit our store. If you want to know more about our vast collection of diamonds for sale, you may contact us.

I have a diamond ring and diamond earring designs in mind. Can you make me a unique piece of jewelry of my own design?

Diamond Source NYC is a full-service jewelry store. Our experienced jewelers can make you a piece of jewelry with the design of your choice.

To get started creating the unique jewelry you desire, give us a call at (212) 730-5959 or fill out the contact form on the Contact Us page of this site.

How can I spot if a Patek Philippe watch is fake?

Many forgers craft fakes better than others, and fake Patek Philippe watches are no exception. Here are five of the ways you can spot a fake Patek Philippe watch:

- The serial number should be inside the case back. Patek Philippe rarely etches the serial number of their watches on the outside surface of their case backs.

- Check for tiny imperfections in the metal of the questionable watch. Patek Philippe is meticulous about selecting the materials they use to make their wristwatches.

- Patek Philippe watches are comparatively heavier than watches of the same size. The reason is because of the higher-quality materials Patek Philippe chooses to use in the internal mechanism and the case of the watches they produce.

- Unlike most luxury watch brands, Patek Philippe screws don't have a blue hue.

- Check the crown and dial for the following clues:

- The crown details in all Patek Philippe watches are etched to perfection. That is, the crown is detailed and not mottled.

- The lugs around the 6 o’clock mark contain a small single diamond setting between those lugs.

- Though challenging to spot, the font used for the lettering on genuine Patek Philippe watches is distinct and is a particular size. 

- Genuine Patek Philippe watches always come with a certificate of authenticity. An experienced jeweler or watch expert knows what a real certificate of authenticity looks like and can spot minor signs that the certificate is fake.

- The prices of fake Patek Philippe watches are too good to be true. Always check with us or on a reputable collector’s website. If the price point is less than half of those values, the watch is most likely fake.

Diamond Source NYC’s experts can spot fakes from any luxury watch brand. However, watch forgers are getting more skillful and have been known for pulling off details that hide most signs of forgery. Rest assured that any watches that you buy from Diamond Source NYC are certified genuine.

Why are the Richard Mille watches very expensive?

1 watches are produced every year.

Their appearance is distinct, which sets them apart from the other luxury watch brands. If you appreciate Formula 1 cars as a fantastic work of art and engineering, then the Richard Mille watch is perfect for you.

Each watch is a masterpiece of precision. Richard Mille watches usually have a tourbillon. Even those that don't have tourbillons have a unique movement.

Each watch's metals and other materials are unique to the luxury brand market. Many Richard Mille watches are usually sizable but lightweight.

At Diamond Source NYC, we know how to spot a fake Richard Mille watch, and we can guarantee its authenticity.

For the best deals for Richard Mille watches or check out this list: Richard Mille Watches for Sale| Skull |Bubba Watson| RM69| Used (

Which luxury watches hold their value?

Almost all well-maintained Patek Philippe watches with the proper documentation hold their value well. These include nearly all Patek Philippe models such as Aquanaut, Nautilus, Complications, Grand Complications, Annual Calendar, and Calatrava.

Many Rolex models also retain their value very well. These include the Rolex Submariner, Rolex Cosmograph Daytona, Rolex Datejust 41, Rolex GT Master, Rolex Sky-Dweller, Rolex Yacht-Master, and special releases.

Richard Mille watches are highly sought-after, and all their models hold their value very well. Many rare releases actually appreciate in value from their initial retail prices. 

Other luxury watches that hold their value well are models from Audemars Piguet, Vacheron Constantin, Breguet, and Omega.

Are luxury watches a good investment?

Yes, luxury watches are a good investment.

Many luxury watch models retain their value very well, especially from luxury watch brands for men and women such as Patek Philippe, Rolex, Audemars Piguet, Vacheron Constantin, Omega, and Richard Mille.

We recommend that you keep your watches well-maintained.

Also make sure to keep the documentation and certification in good condition to support the watch's authenticity.

How to sell luxury watches through Diamond Source NYC?

You can sell luxury watches through Diamond Source NYC in three steps:

Step 1: Visit our store, bringing proof of your identity and the watches you wish to sell.

Step 2: Our experts will thoroughly inspect your item and evaluate the value while you wait. Our experts will not charge you for their appraisal. They will provide the appraised value for the timepiece during the same visit.

Step 3: We will provide you with cash once you accept the offer. We won't require you to fill out any forms. We offer fast and discreet transactions, and we always provide confidentiality.

For more details, you can visit this page or call (888) 342-9949.

Can I sell watches without papers?

No, you can’t sell watches without the proper documentation.

We want to ensure the authenticity of the watches that we sell. Hence we require customers to produce the proper documentation for the watches that we buy from them.

Which Jewelry Brands Hold Value?

We love to buy fine jewelry at Diamond Source NYC. There are nine highly-regarded brands that hold their value.

The top jewelry brands that hold their value are:


David Yurman

Tiffany & Co.

Van Cleef & Arpels

Harry Winston