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custom diamond ring from old diamonds

Repurpose Your Old Jewelry

Here at Kortz Jewelers, we want to make your customization dreams come true. Not only do we sell custom made new jewelry, but we will also revamp your old jewelry! If you have jewelry you’re no longer using, bring it to us and we will help repurpose your old jewelry and create a new custom...

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3 Reasons to Buy Custom Jewelry

Jewelry is a very personal gift for anyone. Whether it is a wedding ring that will be attached to your finger for the rest of your life, or a favorite necklace that is brought out only for special occasions, jewelry becomes a big part of our lives. But why buy custom jewelry instead of store...

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Kortz Jewelers

Historic Denver Jeweler

Kortz Jewelry Co. was founded by Harry Kortz in 1892, on 15th Street between Champa and Curtis Streets in Downtown Denver.  Curtis Street at that time was the center of Downtown Denvers’ bright lights, theaters, and entertainment.  Back then of course it was dirt roads and horse and buggies. University Building Denver       ...

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Colorado 14er Jewelry

Our beautiful state, Colorado, has roughly 53 ranked mountain peaks that exceed 14,000 feet, which makes them “fourteeners” or “14ers” locally. Hiking and climbing enthusiasts  of all skill levels will find peaks that range from easy to very difficult, with hiking trails for exploring the state’s scenery, wildlife and rugged beauty. Along these paths and...

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Elvis Ring

Elvis Presley Black Diamond Ring

It’s not every Denver jeweler who can say that they made a custom black diamond ring for Elvis Presley, but Kortz can! After searching for an exclusive black diamond for 14 years, in 1976 Elvis finally contacted none other than Bob Kortz, a Denver personal jeweler, to create the exact piece he wanted. Bob immediately...

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Custom Unique Engagement Ring

Engagement rings are important, and you should have something as unique as she is. The stereotype that an engagement ring has to be a diamond has ended. Your future wife should have a ring that matches her personality. With our large selection of engagement rings, we will help you find her the perfect stone. Her...

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