We specialize in custom jewelry design, diamonds, gems and jewelry buying. From custom engagement rings to custom pendants and more. We'll help you design your dream jewelry using our Countersketch jewelry design software. We can do it together side by side if you are in the Denver area or anywhere in the world online using zoom.

Either way you will see your piece as it's being designed real-time! We can procure gems and diamonds for you or use a stone you have. Are you searching for an impossible stone? We love a challenge! We will hunt down your ideal gem at the best possible price. 4 generations in the jewelry business has given us contacts and resources to source the best products you won't be able to find online and we do it absolutely free.

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Custom

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Kortz will be there at every step of the process to make sure you get everything you need. And we'll make sure you get the highest quality and the best possible price. There is no other jeweler in Colorado with the experience we have. Our ability to source the best products is unmatched. Think what you want is impossible to find?

Jewelry

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For four generations, Kortz Originals has specialized in the highest quality, beautifully designed, custom jewelry. We continue to do that! We are Colorado's oldest and finest jewelry store but with the internet we are able to now reach customers worldwide. But we are also excited to add a collection of outstanding Designer Jewelry of all types from outside artists, craftsmen and women.

Diamonds

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View our amazing display of loose diamonds, displaying "Light Return" of "Very Good or "Excellent", indicating "Sparkle" brighter than 95% of the world's diamonds with the same color and clarity. Use the tool below to search and filter diamonds. Scroll below for more information on selecting a great diamond.

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