GIA Certified Diamonds – by Denver Jewelers ® 720-375-5643 The Gemological Institute of America, GIA, is the world’s foremost authority in gemology, diamond grading and certification.   Diamonds with a GIA Certificate are certified by one of the world’s best Diamond Certification labs with exceptionally high standards. We offer to our clients diamonds at exceptional prices.  We also offer Diamonds with Certificates.   We will gladly custom design what you desire with diamonds of your choice.  You Desire – We Design ® Denver Jewelers has a nice selection of loose diamonds to select from and we are able to acquire any desired diamonds with specific qualities for our clients.  Denver Jewelers is here to serve your fine jewelry desires and wishes with excellent service.  Denver Jewelers is your Denver Jewelry Store to come to for all of your fine jewelry.