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Wholesale Diamonds with Over 25 Years Experience!

Certified Loose Diamonds Online Since 1999


FIND YOUR LOOSE DIAMOND

GIA Certified Conflict-Free Loose Diamonds Without Guesswork
Our Graduate Gemologist Examines Your Every Selection

DIAMOND ENGAGEMENT RINGS
Handcrafted in our factory to your exact specifications

We are a family owned diamond wholesaler and jewelry manufacturer. We custom set your loose diamond choice in most any setting style that you like. Just tell our our Gemologist what you wish for and we'll make it at our in-house facility to your exact specifications for the best wholesale price. Our main office and factory location is in the NY Diamond District.


ENGAGEMENT SETS DIAMONDS & JEWELRY
Why is #1 Diamond source a cut above the rest?
• No-Risk Return - Our loose GIA certified diamonds carry a 30-day guarantee.
• Vast selection - Over 50,000 superior quality certified diamonds at wholesale prices.
• Finest Service - Our in-house Gemologist helps you find the perfect lab certified diamond.
• Free shipping & appraisal - No cost for insured FedEx® and a detailed insurance appraisal.
• Lowest wholesale cost - Selling to the trade since 1991 & online from 1999 with a perfect record.
• All conflict free natural diamonds - Guaranteed to originate from ethical, socially responsible sources.
"...It is rare to find people in the diamond business who take so much joy from simply doing the best job for their customer that anyone could ever do.

At some point in the process I was struck by the extraordinary drive shown by you both to not only meet your own high standards but to meet mine as well. The loose diamond is exquisite, and not simply because it is a GIA graded D Flawless stone..."

- Carl in San Antonio, TX

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CORPORATE OFFICE*: #1 Diamond Source 36 W. 47th St. New York, NY 10036

OFFICE HOURS: M - F 9AM - 6PM (EST) By Appointment

* Selling at wholesale to the trade and retail to the public.

BBB A1 Rating Jewelers Vigilance Committee Rated: Jewelers Board of Trade Certified: Gemological Institute of America Free Insured FedEx Accept: Visa Accept: Master Card

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Copyright © 2016 #1 Diamond Source
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