Jewelry Buyer
(773) 490-9828 Call 773-490-9828 for a quote. Text 773-490-9828 for a quote.

Jewelry Buyer Locations

Why Mike Pays Top Dollar for Loose Diamonds

Mike J. Owner Cook County Buyers has a private selling office available in the Northbrook Executive Suites, located in Downtown Northbrook with convenient free parking. Please contact Mike to schedule a one on one appointment.

Alternatively, an appointment can be set at a Starbucks or other public location of your choosing.

Mike can come to you in Northbrook, Wilmette, Winnetka, Lake Forest, Kildeer, Kenilworth, Skokie, Buffalo Grove, Arlington Heights, Barrington(s), Glencoe, Oak Brook, Long Grove, Hindsdale, Inverness, Highland Park, Hawthorn Woods, Schaumburg, North Shore, and Chicago.

* Traveling to you will require a certain minimum value. Please call or text Mike to discuss what you are selling. When selling diamonds it is always best to meet at the office in Northbrook in order to perform a proper evaluation on your stone.

Mike purchases Estate Jewelry, Jewelry Collections, Gemstones, Diamond Jewelry, Designer Jewelry, Vintage Jewelry, Antique Jewelry, Loose Diamonds, Gold Jewelry, and Sterling Silver.

You can also schedule an appointment to meet at Mike's private Northbrook Office.

- Owner Mike J.


Call or Text Mike with pictures of your items, any accompanying paperwork such as certificates, appraisals or any other useful details about your items and you will receive a rough estimate usually within the hour.

Pictures: You can simply take a couple good close up photos of your items. If you have photos already, feel free to use our easy form that's sent directly to me, or text them directly to me at (773) 490-9828.

Jewelry Designers we buy include but are not limited to: Bvlgari, Cartier, Chanel, Chopard, David Webb, David Yurman, Graff, Hermes, Georg Jensen, Kabana, Ilias Lalaounis, Ippolita, Levian, John Hardy, Lagos, Marco Bicego, Mikimoto, Piaget, Roberto Coin, Rolex, Tiffany & Co., Van Cleef & Arpels.

Designer Jewelry Buyer
Branded Jewelry Buyer
Local Jewelry Buyer