Stones

  • Can I Supply My Own Gemstone?

    Yes! You will need to sign and send along our liability waiver with your supplied gemstone(s). Complete the form to send in your item rga.jewelrybyjohan.com.
  • Guide to Colored Gemstones

    Our complete Guide to Colored Gemstones details popular gemstone options for each color of the rainbow and more. This Colorwheel of Gemstones includes a huge variety of stones in every hue.
  • How Can I Select My Own Diamond from JBJ's Options?

    Choose from: Specialty Diamonds Graded Diamonds Lab-Grown Diamonds Once you find your diamond using the above links, click the "Add to Quote" button to reserve it; otherwise the stone may be purchased by another customer. You must: 1. Add to Quote 2. Submit Inquiry
  • Natural vs Genuine vs Lab-Created. What is the Difference?

    Natural VS Genuine VS Lab-Created
  • What are the 4Cs of Diamonds?

    View our diamond information to help you select the stone of your choice, by learning about the 4C's.
  • What is Moissanite?

    Moissanite is a colorless gemstone that is a popular diamond alternative. It was originally discovered in an Arizona meteor crater by Henri Moissan. Natural moissanite is scarce; all moissanite available now is lab-created and lower cost than diamonds, but is equally (many times more) brilliant a...
  • What Types of Gemstones are Available from JBJ?

    The fun part about shopping at JBJ is that most of our items can be customized with a different gemstone than seen on our website. However, gemstone availablity varies depending on the design, type of stone you desire and or the size needed. Shop gemstones by shape. Shop gemstones by color.