Welcome to American Diamond Exchange, Inc.

Diamonds & Fine Jewelry

Custom Jewelry Design and Jewelry Repair Services 

Our headquarters are located at 1280 Whalley Avenue in New Haven, Connecticut 06515, in the USA, near Yale University. We operate our business in a building that we built at this location in 1985. Our facilities include our main diamond and fine jewelry showroom with private showroom offices. Our in-house Goldsmith Shop features jewelry repair services and custom jewelry design along with fabrication by our master goldsmiths and diamond setters. We have our own private parking lot, which is well lit and is conveniently located to provide you with easy direct access into our safe and secure building.
The staff of American Diamond Exchange is here to help you select that very special gift for the one you love for any occasion!  We have something exceptional for everyone!  Please visit our showroom, or shop with us online soon, so you too, can have a Sparkling Day!  We look forward to seeing you.

Find The Jewelry of Your Dreams!


 Cash In your Unwanted Gold Jewelry Today!

At American Diamond Exchange, we utilize a scientific instrument to test and analyze the items that you are interested in selling to us.



The selling, evaluation and testing process is simple and quick with the help of our x-ray lab!  

Get Paid Today!




Browse our Estate Jewelry Collection!

Please click on any of the pictures below to browse our Estate Jewelry





American Diamond Exchange-Bulletin Board

Estate Jewelry Collection

March 25, 2019

Please check out and browse through our Estate Jewelry Collection. You will find a vast collection of very special and interesting pieces. Most are one of a kind works of art!  Give us a call at 203-397-8068 to inquire further and discuss anything that may be of interest to you. Please click on the picture below to browse our Estate Jewelry  

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October 14, 2018

 Charles W. Schnee 1926-2018   Sadly, on March 17, 2018, our father passed away.  We had just celebrated his 92nd. birthday together. Dad was a precious man, enormously loved and cherished by many.  

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