29 East Madison St, Suite #1510
Chicago, IL 60602 USA
Phone: 877-795-1101 (within US) or 1-312-795-1100 (Outside the U.S.)
If you reach our voice mail please make sure to leave us a message, and we will return your call ASAP.
Appointment Hours: By Appointment Only, Monday – Friday, 2 PM – 6 PM Central Standard Time. Closed on weekends.
Business Hours: Monday – Friday, 12 PM - 7 PM Central Standard Time. Closed on weekends.
We welcome ALL your inquiries and have answers to ALL of your questions!!!
We know our diamonds well and can assist you in selecting the perfect diamond.
You can also email us at diamonds@BigDiamondsUSA.com or simply submit us a message using our Comment Box below.
We look forward to hearing from you!!!