Designers

Costello Jewelry of Naperville, Illinois is Coast Diamond’s Featured Retailer!

Costello Jewelry of Naperville, Illinois is Coast Diamond’s Featured Retailer!

Coast Diamonds Blog
After over 40 years, the expert jewelers at Costello Jewelry Company continues to wow customers with their next-level service and unbeatable jewelry selection at their Naperville and Glen Ellyn jewelry stores. Because of this commitment to their customers, Costello Jewelry Company has been the recipient of many “Best Of” awards, and looks forward to helping all of their beloved … Continue reading Costello Jewelry of Naperville, Illinois is Coast Diamond’s Featured Retailer!