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.

Nig

15 W 47th St # 602, New York, NY 10036

(212) 869-1200

Shaim Aush Diamonds

18 E 48th St, New York, NY 10017

(212) 751-4090

Gdg Ltd

2 E 48th St, New York, NY 10017

(212) 221-0303

Diamond Direct

145 W 45th St Rm 501, New York, NY 10036

(212) 947-4038

Colorcraft

45 W 45th St # 10, New York, NY 10036

(212) 205-6500

Classic Diamonds & Gems Ltd

15 W 47th St, New York, NY 10036

(212) 921-0004

Ralph P J Inc

2 W 46th St Ste 511, New York, NY 10036

(212) 302-0120

Marina Jewelry Company Inc

42 W 48th St Ste 907, New York, NY 10036

(212) 869-3306

Iza Brothers

27 W 47th St, New York, NY 10036

(212) 391-2419

M B Altman Sons

608 5th Ave Ste 605, New York, NY 10020

(212) 245-4296

Oscar Gluck Of Fancyshape

2 E 48th St Rm 1133, New York, NY 10017

(212) 575-9610

Ultimate Diamond Co.

592 Fifth Avenue, 5th Floor, New York, NY 10036

(212) 719-4150

Venicia Diamonds

55 W 47th St Ste 1030, New York, NY 10036

(212) 719-4119

Basal Trading & Sons Ltd

10 W 46th St, New York, NY 10036

(212) 869-7821

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.