Welcome to Diamond Castle

Conveniently located on US Highway 9 South in Marlboro, NJ, we are ready to assist you in any of our specialty departments, including:

 
  • Designer Jewelry
  • Engagement Rings
  • Wedding Bands
  • Silver Jewelry
  • Remounts
  • Special Orders
  • Watches
  • Repairs
  
 

We look forward to seeing you soon!