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Sell Your Diamond

Get More $ for your Diamond Today!

Need to sell your diamond or diamond engagement ring? We are seeking loose or mounted diamonds of all qualities.

              We are Paying:

  • .50ct  up to  $1,400
  • 1ct     up to  $11,000
  • 2ct     up to  $50,000
  • 3ct     up to  $140,000
  • 4ct     up to  $300,000
  • 5ct     up to  $450,000


1) We'll buy your diamond on the spot

We'll provide you with a cash offer to purchase your diamond outright.  When we purchase "outright", we will provide you with a check or cash on the spot.  Another option for selling your diamond is to leave the diamond on consignment at our store.


2) Sell Your Diamond on Consignment

If you don't need the money right away and want the highest offer, you can leave your diamond for sale at our store on consignment.  In order to leave your diamond or engagement ring on consignment, we will agree to a price beforehand, and once it sells in our store, we will overnight you a check for the agreed upon price!

Long Island's Largest Diamond Buyer

Visit our store in downtown Garden City and we'll make you an offer for your diamond, engagement ring or gold jewelry on the spot.   Fill out the information below to make an appointment or to get a quote by email.

H.L. Gross & Bro. Jewelers
840 Franklin Ave
Garden City, NY 11530

Get The Best Price for Your Diamond

Fill out the form below and we will get back to you as soon as possible.



Mon-Sat 9am - 5:30pm; Thurs till 8:30pm