• Loose Diamonds

    Looking for your ideal diamond? Use our diamond search tool to find your "ideal" diamond. If you do not see the diamond that is perfect for you, please contact us and we can do our own custom search through our worldwide network of diamond dealers and cutters that we do business with.
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  • Gemstones

    We deal not only in traditional semi-precious gems, but fine gems as well. We even deal in gemstones that have GIA gemstone reports.
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  • Custom Design

    IGS can create your dream engagement ring or custom piece of jewelry from your own design or picture. We can also convert your own jewelry and turn it into a totally new piece. Learn more about our custom jeweler and browse our portfolio of custom work.
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Voted Best of Washington... "Where to buy a Diamond"!

Thousands of customers will attest to it and the prestigious Washingtonian Magazine listed us among the "The best of Washington."

LOOSE DIAMONDS

Search nearly 100,000 GIA and AGS certified loose diamonds. Our Diamond Search tool allows you to filter by 4 C's and more!

CUSTOM DESIGNS


Have a vision of what your piece should look like? Let our master jewelry designer, Felix Tong, design your one-of-a-kind custom ring, pendant or earrings.
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  • VISIT OUR EDUCATION CENTER

    Educate yourself on how to buy the perfect engagement ring and the 4 C's of diamond quality, how to read a diamond report and so much more
    Visit our Education Center
  • PRINTABLE REFERENCE GUIDES

    Print out these very handy reference cards and keep them with you when you are shopping for or caring for a diamond.

    TRI-FOLD DIAMOND EVALUATION REFERENCE
    This reference card is a terrific reference resource outlining the parameters you should look for in a diamond. it's graphic intensive, so it may take a few moments to download. Be patient, it's worth it.

    INTERNATIONAL COLOR COMPARISONS CHART
    This chart shows the various color grading scales that are used internationally and how they relate to one another.

TESTIMONIALS