Find the ring of your dreams
engagement rings at Thollot & Co.

Dive into the Bridal Collection at Thollot & Co. for an ocean of romantic possibilities. Find gorgeous diamond engagement rings in every cut, color, and shape imaginable, from vintage-inspired beauties to clean, contemporary designs. If you're working with a defined budget, consider lab created diamonds as a more affordable but equally impressive option.

Gifts of Diamond Fashion Rings

Our curated assortment of diamond fashion rings are known as the most trendsetting and comprehensive collections in the north Denver area! In addition to the spectacular designs, our buyers visit domestic and international jewelry shows to bring back the designs we know you'll love. We're keeping it fresh and new so that you get to wear the pieces that everyone notices as unique and captivating!

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Design your own!

A unique, one-of-a-kind design helps tell your love story. As a family owned diamond jeweler who isn’t part of a big-box chain, we take immense pride in being able to help you convey your love through custom designed jewelry that’ll last a lifetime — and beyond. Thollot & Co. is the online and in-store destination where you can purchase gorgeous rings right out of the showcases or work with a designer to create the design of your dreams!

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Gifts of Pendants

She's the light of your life — a one-of-a-kind gem. Browse our collection of diamond and gemstone necklaces to find that special something that says "you are my world" and continues to speak that message every time she puts it on. When an occasion calls for heart-felt commemoration, you'll find what you are looking for here in finely crafted settings of sterling silver and yellow, white, or rose gold. Let our amazing staff help you syle a beautiful necklace stack !

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Gifts of earrings

Adorn your special someone with an elegant pair of earrings. From shoulder-sweeping chandelier drops to dazzling hoops to classic diamond studs, you'll find the gift for that "wow" moment you are hoping for. Thollot & Co. onsite jewelers are ready to help you upgrade to locking backs for extra security on the spot! Spoil yourself or someone you love with a selection from our unique earring assortment with pricing for every budget!

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Our Services

All of our services are done onsite so your sentimental and special jewelry never leaves our store. If an outside service is needed (on rare occasions), we work with craftspeople of the finest of reputations and skill levels and ensure you are aware of where your jewelry is every step of the way.


diamond Assurance guarantee

We understand your concerns when leaving your heirloom jewelry in the hands of a jeweler. Because we are proud of our integrity and the way we carefully handle your jewelry, we have developed a camera & microscope system to show you your diamond under high magnification when you drop it off and again when you pick it up!

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watch battery & band adjustments

Watch battery replacement and watch band size adjustment services performed by jewelers and jeweler/watchmakers. We do not allow our associates to open your time piece. Learn to do it yourself or have our experts change batteries for you. Explore our watch service page to find tutorials and price lists!

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Jewelry repair & restoration

Our onsite master jewelers are skilled craftspeople with the highest levels of training and experience. Most repairs are finished in 7-10 days. Express service available for urgent requests! We provide a one year warranty on all repairs. No appointment necessary. Drop in at your convenience!

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Check out the Thollot & Co. Virtual Jewelry Showroom
View our award winning showroom
Virtual Tour
Experience the Thollot & Co. showroom before you visit!
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Your Destination for the Best Diamond Jewelry

Visit the Thollot & Co. showroom in the Greater Denver, Colorado, area to experience our brilliance firsthand. Our casual vibe welcomes you to browse at your own pace while our expert team is on hand to answer questions. We’re more than experienced, expert diamond jewelers; we’re your guide to finding your forever bling.