What We Buy


Collectors Coins & Jewelry is the only diamond buyer & dealer on Long Island, that is always looking to purchase new inventory. We deal with a vast market of buyers & sellers to ensure you get top dollar for your jewelry and diamonds.

As one of Long Island’s oldest & most prominent diamond dealers, we pay top dollar for diamonds and diamond jewelry. Our expert gemologists evaluate your diamonds on the spot, insuring that your diamond never leaves sight.

Whether you are looking to sell a single diamond engagement ring, loose diamonds, or diamond jewelry, we will accommodate your every need.

Each of our 6 locations are staffed with trained a Gemologist who will take you through our analysis process to properly identify the current market value of your diamond and diamond jewelry. We regularly buy and appraise wedding bands, wedding rings, diamond engagement rings and diamond earrings as well as other types of diamond jewelry. Our business is based on educating the customer so that they can feel confident that they received the best price.


Collectors Coins & Jewelry is Long Island’s destination for customers looking to receive top dollar for their sterling silver. We have earned a reputation as Long Island’s leading buyer of sterling silver flatware & hollowware because of one main distinction; we do not melt your sterling. Each piece is evaluated for both its weight & artistic value. As soon as the analysis is done, you will receive an immediate cash offer.

Certain brands & origins can bring larger premiums on silver:

  • Tiffany & Co.
  • Gorham
  • Whiting
  • Wallace
  • Cartier
  • Black Starr & Frost
  • Dominick & Haff
  • S. Kirk & Son
  • Stieff
  • Russian Silver
  • Japanese Silver
  • French Silver
  • German Silver
  • Norwegian Silver
  • English Silver
  • Chinese Silver


Collectors Coins & Jewelry is Long Islands top watch buyer. Before selling your watch, we want you to understand that there are a variety of different factors that come into play when determining price. Certain brands retain their value better than others. In some cases, collectible watches may be worth more than their original retail value. We price watches based on condition, paperwork, original box, age, demand, and quality. Collectors Coins & Jewelry will pay premium prices for watches in mint condition with the original box and papers. All our transactions are safe, secure, and of course, confidential

Below is a list of watches we are actively buying.

  • Audemars
  • Baume & Mercier, Bell & Ross, Blancpain, Breitling, Breguet, Bueche, Bucherer, Boucheron, Bvlgar
  • Cartier, Chopard, Corum
  • Frank Muller
  • Glashutte, Girard, Gubelin
  • Hublot
  • IWC
  • Jaeger-LeCoultre
  • LeCoultre
  • Omega
  • Panerai, Patek Philippe, Piaget
  • Rolex
  • TAG Heuer, Tiffany & Co., Tudor
  • Ulysse Nardin, Universal Geneve
  • Van Cleef and Arpels, Vacheron Constantin
  • Zenith
  • & Many More


Do you have gold that you are interested in selling? Then you have found the right place. Collectors Coins & Jewelry has been ranked Long Islands #1 Gold Buyer. We offer top dollar for gold bullion, coins, and jewelry.

As one of Long Island’s most prominent dealers, we can afford to pay top dollar for your used or unwanted jewelry. We offer great services with expert appraisers on sight, evaluations are done on the spot so your jewelry never leaves your sight!

We will make sure to accommodate your every need, whether you are looking to sell broken jewelry, or trade in the value of unwanted jewelry towards something new.

Each of our six locations is staffed with a trained jewelry appraisers. We will take you through our analysis process to properly identify the true market value of your items. Our business relies heavily on educating the customer and we strive to give you the confidence you deserve in knowing that you received the best offer for your gold.


For over 65 years Collectors Coins and Jewelry has enjoyed helping others better understand the history and value of their US coins, precious metals, & currency. Our family deals in all types of US and Foreign Coins. Each of our locations is staffed with an expert numismatist who is able to quickly and accurately identify the current market value for your coins.

We buy the following coins:

    • All rare coins, certified coins, & collections 1oz. Silver Eagle Bullion Coin
    • Bust Coinage (half dimes through dollars)
    • Liberty Standing Quarters
    • Pre-1940 US Paper Money
    • Pre-1964 Dimes, Quarters, and Halves
    • Graded Liberty Nickels
    • Silver Wartime Jefferson Nickels
    • Seated Coinage: Dimes, Quarters, Halves and Dollars
    • Barber Coinage: Dimes, Quarters, Halves
    • Proof & Mint Sets
    • Silver Eagles
    • All Gov’t Issue Items & Commemorative
    • Gold & Silver Foreign Coins
    • Graded Half Cents
    • Graded Large Cents
    • Graded Indian Cents
    • Graded Lincoln and Wheat-Ear Cents
    • Graded Pre-1959 2¢ & 3¢ pieces
    • & Many More