Testimonials

Dia-Co has been such a huge part of my success in the jewelry industry. I’ve worked with them for many years now. They’re so talented & extremely easy to talk to and make sure all of my projects come out 100%. I would recommend them over and over. Can’t say enough positive things. They always deliver!

Our jewelry company loves working with Dia-Co. This company goes above and beyond for our requests. Most of the jobs we have done are impossible for our goldsmiths to do in house. We love how Dia-Co works with our needs and desires. Many times we give information incorrectly and Dia-Co always takes care of the problems. This company always covers the work when our customers change their minds on their ideas. It is always a challenge and Dia-Co gets it correct in the end. Jobs are done in a timely manner, and when a rush is required Dia-Co does it's best to accommodate us. We love this company

Dia-Co has been an incredible company to work with on our CAD-CAM projects. The finished products have been created with quality materials, stones, and craftmanship! Our partnership has been wonderful and we look forward to

working with them many more years. We own and run a jewelry store which is going on its 49th year and we are known for our own custom hand-made jewelry so it is so nice to partner with another company who strives for the quality and craftsmanship we want and provide to our own customers. It also allows us to provide additional services to our customers who we dearly care about and want

to keep!

As a personal jeweler I have been designing fine jewelry for 30 years. I love that all my jobs are in one place on Dia-Co's website, which makes tracking them throughout the manufacturing process so easy. It’s apparent through Dia-Co actions and the development of this website that they understand the retailers needs.  Dia-Co realized that retailers need to give quotes and show cad drawings quickly to make the sale happen. I am astonished at how quickly I get quotes and drawings. But I am also thrilled with the quality of the finished product and so are my client. Thanks for all your work and I look forward to a prosperous business relationship.​

This is your one stop shop to increase your custom business.  From cad, casting, supplying and setting diamonds, they do it all.  The diamonds they supply are the best I’ve seen in the industry and the jewelry workmanship is perfect.  Prices are awesome as well.  We have substantially increased our custom design department and we can handle big accounts now.  There is no porosity in their castings and they eliminate the time lost on bad castings.  I highly recommend Dia-Co for all your needs.  Thanks for making my life easier. 

Dia-Co has been such a huge part of my success in the jewelry industry. I’ve worked with them for many years now. They’re so talented & extremely easy to talk to and make sure all of my projects come out 100%. I would recommend them over and over. Can’t say enough positive things. They always deliver!

Our experience working with Dia-Co has been nothing but seamless and professional. They are a one stop shop and a great partner for custom orders. Their office team is easy to communicate with and provides us with great customer service whenever we visit or call. Highly recommend the Dia-Co team for anything from CAD design to manufacturing!

I have had the pleasure of working with Dia-Co for approximately 10 years.  Their service and products are excellent!  I have never had any issues with this company.  They have quality products and finish work in a timely manner.

We have been working with Dia/Co for almost two years now. When we take a custom job, we’re confident it will deliver on time and the outcome will be as promised. Pricing is transparent and service is top notch.