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

195 Medford Ave, Patchogue, NY 11772

(631) 714-4774

Budget Buy and Sell

2 W Main St, Patchogue, NY 11772

(631) 496-2049

William J. O'Neill Sales Exchange Co., Inc.

1 E Main St, Patchogue, NY 11772

(631) 289-9899

Imperial Dimonds

499 N Service Rd Ste 13, Patchogue, NY 11772

(631) 569-4613

Gehna Jewels & Diamonds

7312 37th Ave, Jackson Heights, NY 11372

(718) 424-7407

Alqahhar Gold & Diamonds

7311 37th Rd, Jackson Heights, NY 11372

(718) 424-1503

We Buy Gold On Gold Road

91-54 Gold Road, Ozone Park, NY 11417

(646) 397-9926

Eufemia Jewelry Inc

660 Columbus Ave, Thornwood, NY 10594

(914) 747-0383

GLITTERS JEWELRY

59 Main Street, Irvington, NY 10533

(914) 231-7793

Zales

1480 Metropolitan Ave, Bronx, NY 10462

(718) 828-2079

Zales

254 E Fordham Rd, Bronx, NY 10458

(718) 741-8666

Janelle Jewelers

393 E 149th St, Bronx, NY 10455

(718) 292-4434

Infinity Of Fordham Road-Jwlry

302 E Fordham Rd, Bronx, NY 10458

(718) 367-7206

Premier Jewelers LTD

1042 Morris Park Ave, Bronx, NY 10461

(718) 409-1152

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.