Denver’s Custom Jeweler Offering Loose Diamonds & Engagement Rings

Mark’s Diamonds is one of Denver’s most exclusive custom jewelers, specializing in stunning loose diamonds and dazzling custom engagement rings. Founded by Mark and Nataliya Hadley, our custom jewelry gallery is the exciting culmination of many years of educational experience, relationship building and superior customer care in the fine jewelry industry. Because we represent one of the largest diamond wholesalers in the world, we are able to offer exceptional values in loose diamonds, classic fine jewelry, custom diamond rings and unique designer jewelry.



Are you ready to take your personal love story to the next level? The skilled, knowledgeable and friendly custom jewelers at Mark's Diamonds are experts in the art of engagement. Let us help you find that perfect diamond for your perfect partner. Our knowledgeable sales staff will work with you until you find the most beautiful diamond at the best price.


Quality Lasts A Lifetime

Having trouble finding the perfect engagement ring for your loved one? As Denver's premier diamond jeweler, Mark's Diamonds has a wide selection of loose diamonds to choose from to create a one-of-a-kind masterpiece. Trust the custom jewelers at Mark's Diamonds to create a true work of art to cherish forever.


A Timeless Tradition

Creating a lasting symbol of your commitment to each other should only be memorialized by a true craftsman. Our skilled team of designers will work closely with you to design the ideal custom engagement ring. Share the design experience together and cherish the memories for life.