Personalized design services from concept to creation, including CAD renderings and wax molds for unique rings.
Expert assistance in choosing or customizing wedding bands with detailed advice and a wide variety of options.
Offering a curated collection of lab-grown and natural diamonds, gemstones, and finished jewelry pieces.
Wholesale services for diamonds and jewelry, providing quality materials to other businesses and clients.
Professional repair, resizing, and cleaning services to keep your jewelry in pristine condition.
One-on-one consultations with knowledgeable staff to guide you through selection and customization processes.

Your trusted partner for exquisite custom jewelry and exceptional service in Madison.
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TQ Diamonds is a premier jewelry store and wholesaler in Madison, WI, specializing in custom engagement rings, wedding bands, and fine jewelry. With a 4.9/5 rating from over 255 reviews, we offer personalized service, expert craftsmanship, and a wide selection of lab-grown and natural diamonds. Our dedicated team, including staff like Kelsi, Taryn, and Mike, provides attentive, patient guidance to create meaningful pieces that exceed expectations. We serve individuals and couples seeking high-quality jewelry with a focus on design, integrity, and lasting customer relationships.
Kelsi was so amazing helping me with this special moment in my soon to be. Her energy is so inviting with her pleasure to serve and please her customers with such a positive attitude. She gave great advice and detailed information as we were selecting our wedding bands. She was thorough and patient with our decision making. We are pleased that she had a hand in making our day extra special. We will forever be customers at TQ because of this wonderful experience.
I have been working with Taryn from TQ Diamonds for the past 6 months. She has gone above and beyond to take care of me. Her communication is 10/10 and she has advocated for me and my best interests every step of the way. She has even come in on her days off to meet with me. I would go back to her every-time! So happy with my new ring! I would highly recommend her and TQ Diamonds in Madison!
We cannot say enough wonderful things about TQ Diamonds; and especially Mike. They have been our trusted jeweler for over 10 years, and we truly wouldn’t go anywhere else. Every single piece we own has come from TQ Diamonds, and the experience is always exceptional. Mike is incredibly knowledgeable, patient, and genuinely invested in helping you create something meaningful and beautiful. We feel so lucky to have met him and worked with him over the years. From the design/selection process to the final result, everything is handled with care, expertise, and heart. We are constantly blown away by the craftsmanship and attention to detail in the pieces that we select! We are so thankful for them and for the beautiful treasures they’ve helped us create over the years. We recommend TQ Diamonds to everyone without hesitation; once you work with them, you’ll never want to buy jewelry anywhere else. 💍🩵
Kelsi at TQ Diamonds provided an exceptional experience throughout the process of designing our engagement ring. She was attentive, compassionate, and caring in every detail, ensuring that the final piece perfectly reflected our vision. The result exceeded our expectations, and we couldn't be more pleased with the ring and experience! I would definitely recommend Kelsi to anyone seeking a meaningful piece of jewelry for their loved one.
From start to finish, Kelsi guided us through the custom engagement ring process. I would trust and recommend her to anyone, whether it’s adjusting a design you already like or completely starting from scratch with a unique idea like us. Kelsi walked us through several iterations of this ring until it was perfect. She sourced the most beautiful lab grown yellow Diamond (& hunted for the right shade of yellow). She helped to make my vision GORGEOUS, structurally sound, and proportionate with side stones. She ensured our satisfaction with the CAD rendering and a wax mold. I feel like the luckiest person to wear this stunning piece for the rest of my life. She is fun, enthusiastic, a good communicator, and really seems to care about your long-term satisfaction as a customer. We feel so grateful she was a part of our story!
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