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October 2023 by Jessica Kirschner
My partner and I were referred to Koop Dimond Cutters by a friend who also purchased his wife engagement ring there. My partner proposed with a bag of family heirloom diamonds and gemstones in a bag instead of ring, he wanted me to be apart of the design process but still keep the engagement a surprise. We met with Justin a few times to discuss what my vision was and he was able to transform my ideas and our family heirlooms into a timeless piece. Thank you! Morgan and the rest of the staff were always friendly and easy to work with too. We will continue to work with Justin and his team for years to come!
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October 2023 by Lera Falkenshtern
Went to Koop for our engagement & wedding rings plus some custom pieces. Will always recommend Justin & Morgan to anyone who asks.
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July 2023 by Diana Reid
If you want to have the best and most personal shopping or appraisal experience this is the place to go. Fast appraisals and most beautiful craftsmanship of jewelry you will ever see. Stop on in!
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June 2023 by Kris Grigsby
I took my wedding set to Koop for a resizing and they came back better than they were. The prior jeweler did not daughter the rigs together evenly so the seams did not match. Koop added metal and smoothed it out perfectly symmetrical and they look gorgeous!!!
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May 2023 by Melany Kennedy
Justin and his team were wonderful to work with! Prices are very affordable and quality top notch.
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April 2023 by Peter Chadwick
Koop diamond cutters is the very best honest reasonable priced jeweler in the tri state area.. They have ever type of and quality gems as well as can custom make anything you can create
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March 2023 by Tara Dale
I had another wonderful experience at Koop Diamond Cutters. Justin is an expert at his craft and has superior customer service. He and his team helped me craft this beautiful wedding set. I have gone to Koop for all of my fine jewelry needs for the last 14 years and they have always been great to work with. Thank you!
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February 2023 by Kristin Tiffany
Justin helped my husband design my engagement ring, wedding ring, and one year anniversary band. I’m currently working with him to repurpose a family inherited ring to a necklace. He is so knowledgeable and easy to work with. He listens to his clients and is detail-oriented. I couldn’t ask for more from a jeweler. Thanks, Koop Diamond Cutters! So fortunate to have found you.
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January 2023 by Taylor Howe
Can’t rave enough about Koop Diamond Cutters! We came in with a vague and unique idea for an engagement ring and wedding band and Justin crafted an absolute masterpiece! We are in love with these rings and have gotten many compliments on them. Couldn’t be more satisfied with Justin’s work! Wonderful communication, updates, timeliness and great customer service. We refer all our loved ones and friends here. Would definitely recommend!
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January 2023 by Gabe West
Went to get a custom engagement ring and was positively thrilled with the results. The ring was perfect.
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November 2022 by mike guastaferro
First time ever custom making an engagement ring and if I could give them a 6/5 I would. Amazing experience all around
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October 2022 by Matt Morandi
Justin was super accommodating and pleasure to work with! He did incredible work and offered a lifetime warranty to back it up.
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October 2022 by Abbie Morandi
Justin and Morgan were so incredibly friendly and knowledgeable. He re-did my wedding rings and they are beautiful! Justin was super accommodating for pick-up as well. This business is honest and very trust-worthy.
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August 2022 by Noah Ham
I was referred to them by my grandpa. Not only did they produce the engagement ring, they helped me design and gave me tips and advice. They were an absolute pleasure to work with. I would highly recommend them. They didn't charge for the CAD's they made which other places do charge. Would highly recommend them for anyone. She said yes btw! Thanks guys.
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August 2022 by Carmen Riazzi
I can't thank Koop enough for the ring he put together for me. I didn't know anything about diamonds or engagement rings and he helped me through every step of the way. Not only was he patient and personable, but he did everything over the phone while I lived in California and it turned out exactly how I envisioned. He even incorporated aspects from my wife's late grandmother's jewelry. My wife tears up every time she looks at the ring because of how special it is -- I have Koop to thank for that.
