Appraisal Assay For Precious Metals

The Thermo Scientific Niton DXL x-ray lab delivers fast and accurate XRF-based precious metal analysis results.

We Buy Gold

Sell Us Your Gold

Get Paid Today!

Cash In Your Unwanted Gold Jewelry Today!

Please Call or Text us at 203-397-8068


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

XRF is a widely used, proven, and accepted method of chemistry analysis and karating of precious metals samples, including purity and fineness.

* On-the-spot gold karat classification , 0-24 kt

* Identification of impurities

* Accurate compositional analysis of platinum, silver, and other precious alloys

* Detection of silver and other metal content in gold

* Verification of gold content in scrap metal

* Determination of gold and silver content in coinage

* Completely nondestructive testing method

These comprehensive, accurate results, help us to quickly provide you with credible information and a fair payment offer for your precious metals today.

We Buy Gold

Sell Us Your Gold

Get Paid Today!