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.

Global-Alliance Group

30 Wall Street, New York, NY 10005

(347) 967-9440

Imperial Jewelry Manufactory

15 W 47th St Unit 58, New York, NY 10036

(212) 997-2311

Sea Wave Diamonds, Inc.

5 W 47th St, New York, NY 10036

(212) 730-8446

Triple X Diamonds

10 W 47th St, New York, NY 10036

(212) 768-2818

Tri-Gem Industries Inc

580 5th Ave, New York, NY 10036

(212) 730-7360

Siti Golden Diamonds

27 W 47th St, New York, NY 10036

(212) 221-9250

Tlk Inc

20 W 47th St # 809C, New York, NY 10036

(212) 921-2995

Shanti Corp

1212 Avenue Of The Americas Ste 2304, New York, NY 10036

(212) 302-0441

Gem Mine Corp

35 W 45th St Ste 800, New York, NY 10036

(212) 391-5644

Meizlik Armin

37 W 47th St # 804, New York, NY 10036

(212) 719-4421

S & G Star Corp

30 W 47th St # 702, New York, NY 10036

(212) 819-1626

Hetal Diamonds Inc

20 E 46th St Ste 900, New York, NY 10017

(212) 719-9510

Millennium Gold & Diamonds Inc

80 Canal St, New York, NY 10002

(212) 219-1787

Orion Diamond Mfg Co Inc

579 5th Ave, New York, NY 10017

(212) 888-8000

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.