When you are in the market for diamonds in Cold Spring Harbor, 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.

Babylon Gold & Diamond Exchange

32 Deer Park Ave Unit 1, Babylon, NY 11702

(631) 587-4653

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

G R M Ltd

2400 Merrick Rd, Bellmore, NY 11710

(516) 781-3155

DHARMa Jewelry

314 Covert Ave, New hyde park, NY 11040

(516) 513-4869

Lux Bond & Green

169 Greenwich Ave, Greenwich, CT 06830

(203) 629-0900

Sunray J & Son

133 Mason St, Greenwich, CT 06830

(203) 861-4080

Tyson & Company Jewelers

505 Boston Post Rd, Port Chester, NY 10573

(914) 417-4392

Joey Diamonds

515 Boston Post Rd, Port Chester, NY 10573

(914) 481-1820

Alta Diamonds

4615 Iris Ln, Great Neck, NY 11020

(516) 466-0499

Siouni Diamonds Inc

98 Cuttermill Rd Ste 356S, Great Neck, NY 11021

(516) 498-9588

Yoni Diamonds Incorporated

11 Grace Ave # 304, Great Neck, NY 11021

(516) 472-7600

National Jewlery Repr

98 Cuttermill Rd Ste 446S, Great Neck, NY 11021

(516) 472-7676

Raymond Hak LTD

11 Grace Ave Ste 302, Great Neck, NY 11021

(516) 466-7782

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.