phone
1-800-509-4990
Customer Service Representatives are available
any day of the week, 8 am to 10pm CST

email
CustomerService@DiamondNexusLabs.com

live chat
Have a question, but don.t feel like calling? Click on the Live Chat icon anytime Monday through Friday, from 10 am to 6 pm CST and a customer Service Representative will assist you.

write to us
Customer Service
Diamond Nexus Labs
5050 West Ashland Way
Franklin, WI 53132

This is also the address you will use for sending us items for repairs, resizing, returns, gemstone mounting, or exchanges.