Sell Your Diamonds at Jewelry Authority

Jewelry Authority pays top dollar for your new or used jewelry, watches, and diamonds. Knowledge is king when getting top dollar for your items.  This is why we have two GIA Graduate gemologists on staff with a full lab, xrf (xray) equipment to verify metal purity, and a watch specialist.  Togther we have over a hundred years of combined experience.  We understand the importance of your collection, and our commitment to you is to offer honest evaluations and fair pricing in a no pressure and friendly environment.  In addition to working with top refiners, diamond wholesalers and international buyers - we also resell many items online and in our store.  This allows us to make remarkable offers on jewelry we can use.  Come find out why our offers are the highest in the state.

Our Transparent Diamond Buying Process

When you come to sell us your diamonds, you can rest assured that you are getting the best offer. We use industry-leading technology and have GIA Graduate Gemologists with decades of experience that allow us to walk you through the entire process. With our state of the art technology, including x-ray fluorescence, we can tell you the exact metal composition of your pieces. Our GIA Graduate Gemologists utilize full lab equipment to accurately identify your gemstones and distinguish between natural diamonds and lab made diamonds. We will happily answer all of your questions and give you an offer that honors the value of your estate.

What We Buy

We buy watches, bullion, diamonds, and fine jewelry including designers like Tiffany & Co, Roberto Coin, Rolex, David Yurman, Carrera Y Carrera, Richard Klein, Marco Bicego, Tacori, Neil Lane, Cartier, Van Cleef & Arpels, John Hardy, and other signed and unsigned artists.