When you are in the market for diamonds in Rockville Centre, you want to have access to the very best dealers. This means you want to have a good range of choices to find a dealer that fits your needs as well.

Thankfully, we have you covered for all of your diamond related needs and more. Here we have a list of the best local diamond dealers and rare gemstone dealers as well. Each and every business on this list is ready to help you buy, sell, or trade the gems that you want on your terms, in your time.

Gem Evaluation Laboratories

364 Rxr Plz, Uniondale, NY 11556

(516) 222-1999

Nicole Diamonds

800 Elmont Rd, Elmont, NY 11003

(516) 812-8824

Black Diamond Enterprises

554 Bieling Rd, Elmont, NY 11003

(516) 326-5350

J. E. Lund Jewelers

951 Franklin Ave, Garden City, NY 11530

(516) 874-3513

Helzberg

630 Old Country Rd, Garden City, NY 11530

(516) 294-0538

Steven K Jewelers

643 E Park Ave, Long Beach, NY 11561

(516) 897-0700

G R M Ltd

2400 Merrick Rd, Bellmore, NY 11710

(516) 781-3155

Northeast Gold Buyers

2240 Hempstead Tpke, East Meadow, NY 11554

(516) 280-9669

Empire Pawn of Nassau Inc.

2386 Hempstead Tpke, East Meadow, NY 11554

(516) 342-7116

DHARMa Jewelry

314 Covert Ave, New hyde park, NY 11040

(516) 513-4869

Rebecca Gold Enterprises Inc

183 Lakeside Dr S, Lawrence, NY 11559

(516) 371-0055

Pluchenik Seymour

17 Boxwood Ln, Lawrence, NY 11559

(212) 259-0300

Capital Pawn Brokers

24705 Jericho Tpke, Bellerose, NY 11426

(718) 717-8585

Maddy Fine Jewelery & Diamonds

113 Jackson Ave, Syosset, NY 11791

(516) 921-5660

Working With Diamond Dealers

Buying diamonds can be an intimidating process if you are not quite sure how it all works. Even though there is a lot of information available today about different diamond dealers and how to get the best deal, you still want to make sure that you are picking out the best possible vendor to give you the quality and value that you deserve. Not only will you want to educate yourself on the 4 C's of diamond buying, but you also need to learn all that you can about how the industry works. This will help you find a reputable, honest and ethical dealer.

The best diamond dealer will always be able to offer you a certificate or the grading report for any diamond that they offer. You need to make sure that this is a certificate that comes from an independent, recognized laboratory such as HRD, DCLA, GIA or AGS. These diamond grading specialists use only the best and most advanced equipment and the strictest procedures to inspect their diamonds. Therefor, you know that you are getting nothing but the utmost quality for the money that you are investing.

When working with diamond dealers, you always want to pay attention to what they offer for certified diamonds and never go with one that tells you that there will be an additional charge for a certificate by an independent laboratory. Only reputable dealers will already offer this included in your diamond buying experience. If you ever, at any time, feel as though you are unsure of whether or not you can trust a dealer, you are best off shopping for your diamonds elsewhere.

All in all, you will find that taking your time to choose the right dealer to get your diamond(s) from will be the best way to ensure total quality for the money.