Good cutting requires experience, creativity and modern machinery. We at John Dyer & Company employ the latest technology to bring you a superior gem.  Read more...

We travel widely, to Asia, Africa, South America and other locations to find good values on rough materials.  Read more...  

You may be able to find some of the same materials we offer at cheaper prices. But do remember to check the quality. We are convinced that we can offer our customers the best quality and value on any gemstone in our inventory.  See our online catalog and soon you will be convinced also.