We Buy Gold, Diamonds, & Estate Jewelry

Sell Your Jewelry Gold Diamonds

Selling Jewelry or Watches

Holding on to something you will never wear? Thinking about selling gold, diamonds, silver, or unwanted jewelry? You've come to the right place! Bella Cosa Jewelers is your trusted source to sell your valuables. We purchase gold, diamonds, vintage jewelry, collectible watches, silver, coins, and precious metals. Bella Cosa Jewelers has made over 20,000 purchases. Our experts will be happy to give you a FREE verbal appraisal of your valuables after inspecting them in person. You can easily get immediate payment for your jewelry or trade it in towards a new purchase. All transactions are private and confidential. Bring your items in today for a FREE evaluation!

What We’d Like to Purchase

  • Diamonds

Sell Diamonds - We purchase both loose diamonds and mounted diamonds. Paying premiums for 2 carat plus diamonds.

  • Estate Jewelry & Vintage Jewelry

Sell Vintage Jewelry - We purchase estate jewelry and vintage jewelry. 

  • Fine Jewelry

Sell Fine Jewelry - We purchase diamond jewelry and gemstone jewelry, including signed jewelry from Van Cleef & Arpels, Tiffany & Co., Cartier, and more.

  • Coins and Bullion

Sell Coins and Bullion - We purchase all gold, platinum, silver coins and bullion, investment-grade gold and silver coins & bullion, currency.

  • Watches

Sell Watches - We purchase Rolex, OMEGA, Patek Philippe, Cartier, Tiffany & Co., TAG Heuer, Baume&Mercier, antique watches & chronographs.

  • Gold, Sterling Silver & Platinum

Sell Gold, Silver & Platinum - We purchase sterling silver jewelry, flatware, tea sets, goblets, candelabras, scrap & dental metals, anything marked sterling.

The Process

  • Bring in your jewelry during our store hours. No appointment necessary. Public and dealers invited.
  • Receive a free verbal appraisal on your valuables. Evaluations usually take 10 to 15 minutes. There’s never any obligation to sell your pieces to us.
  • Receive confidential and immediate payment or trade-in towards a new purchase.

Do you wish to sell items not listed here? Contact us now through the link below and we will get back to you within 24 business hours.

Contact Us

Willowbrook Location

630.455.1234 - Call or Text

Wilmette Location

847.251.5000 - Call or Text