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. Our hours of operation are 11am-8pm Central standard time. If you reach our voice mail please make sure to leave us a message, and we will return your call ASAP. You can also email us at diamonds@BigDiamondsUSA.com or simply submit us a message using our Comment Box. We look forward to hearing from you!!!