Diamond Rings

The Diamond Reserve is Colorado’s most trusted custom jeweler. We specialize in the most brilliant engagement rings, GIA-Certified loose diamonds, and custom jewelry. Unlike retailers, owner Kaeleigh will meet with you one-on-one for personalized diamond consultation.

The Process

At The Diamond Reserve, we create custom engagement rings while providing our clients with one-on-one service and transparent expert diamond education.

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We educate each and every one of our clients on the 4C’s of diamonds and more. It is our mission for you to feel educated and confident when selecting your diamond.

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Our team will guide you in selecting the diamond or gemstone that fits your needs and budget, answering all of your questions, and making sure you get the best price.

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Once you have approved the 3D renderings our bench man begins to make the magic! All our engagement rings are handmade right here in Colorado to the finest quality. 

Questions? Let's talk!

Kaeleigh Testwuide


I am Kaeleigh Testwuide, founder and diamond expert at The Diamond Reserve. Thank you so much for visiting with us! My number one goal is to get you educated on all the dos and don’ts of buying a diamond, making sure you get the best diamond for the best value! 

There is so much information out there regarding diamonds and a lot of mistrust when buying a diamond. At The Diamond Reserve we will give you the truth, answer all of your questions, and ensure that you feel confident when you select a diamond. Buying a diamond and an engagement ring does not need to be stressful, it should be fun and exciting, and that is exactly how it feels when you work with us. 

Are you thinking about popping THE question, upgrading your diamond, redesigning your setting, or looking for a special gift? Send me an email and I will work with you personally to make sure we send you off feeling confident and excited with your purchase!

Yours Truly,

Kaeleigh Testwuide

Who's Talking About Us

  • Joseph Kmetz Avatar

    Kaeleigh and Erin were great to work with and helped me pick out the PERFECT diamond engagement ring for my fiancee. They are ethical and gave me a fair deal on a beautiful ring. I recommend the Diamond Reserve without reservation. Please support this local business and book an appointment ASAP.

    Joseph Kmetz 1/20/2019
    Ben Wiechman Avatar

    The Diamond reserve was great! Kaleigh was super approachable, put my mind at ease with the whole process, and worked within my budget. Highly recommend going with the Diamond Reserve!

    Ben Wiechman 8/18/2018
  • Julia DuVal Avatar

    Kaeleigh and her team make this process amazing. She has the connections to find you the diamond you want, the taste to provide amazing feedback towards your design...and she's just fun to work with. Don't bother going anywhere else!

    Julia DuVal 9/11/2018
    David Ziegler Avatar

    Found the perfect diamond quicker then anyone in town. My fiancé can’t say enough about her ring.

    David Ziegler 9/12/2018
  • Lauren Pierpoint Avatar

    Kaeleigh was wonderful to work with. She worked to get us the perfect engagement ring and the perfect wedding rings!

    Lauren Pierpoint 9/07/2018
    Onesimo Ledezma Avatar

    I would like thank Kaeleigh for designing the perfect engagement ring!!! I had been looking for a couple of months but could not find the one that I liked, until I found The Diamond Reserve. Kaeleigh was very helpful and worked with me to design a beautiful ring.

    Onesimo Ledezma 9/11/2018

Diamond Reserve Couples