The Source of Gemstones You Can Trust !

Gemstones & Diamonds

Let our Master Gem Cutters maximize the design,
color and brilliance of your gemstones.

Color Gemstones

Every Shape and Color. Whether you are looking for a fancy cut, cabochon or any other shape, give us a call and consult our inventory.

Fancy Diamonds

Looking for white or fancy colors? Chances are we have what you are looking for. Contact us today and check what”s in store for you.

Cutting & Polishing

Rough or Damaged Gems? We specialize in the cutting and repair of gemstones. Maximize the color and weight of your gemstone!

Pentagon Gem Facebook

Pentagon Gem is now on Facebook!  Come visit us for additional news and announcements!...
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Pentagon Gem will be exhibiting at the AGTA GemFair at the JCK Las Vegas Show which is located in...
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GJX Tucson Show

Once again, Pentagon Gem will be attending the GJX show in downtown Tucson.  The Tucson show is...
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