Thomas Cooper Jewelry: Where every piece makes you smile!

Collection: Gemstones

We work with small, independent gemstone cutters in gem regions around the world. Wherever possible, we utilize raw materials and alloys that have been recycled.

“Buying diamonds and gemstones directly from the source guarantees my clientele peace of mind, quality, and value” —Thomas Cooper

50 products
  • Rubellite Tourmaline, 3.22ct Cushion Cut
    Regular price
    $329.00
    Sale price
    $329.00
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  • Rubellite Tourmaline, 3.50ct Rectangular Cushion Cut
    Regular price
    $350.00
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    $350.00
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  • Golden Yellow Tourmaline, 3.15ct Oval Cut
    Regular price
    $229.00
    Sale price
    $229.00
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  • Lagoon Green Tourmaline, 4.56ct Emerald Cut
    Regular price
    $685.00
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    $685.00
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  • Aquamarine, 6.72ct Emerald Cut
    Regular price
    $1,450.00
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    $1,450.00
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  • Mint Green Tourmaline, 5.74ct, Oval Cut, October Birthstone
    Regular price
    $835.00
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    $835.00
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  • Rubellite Tourmaline Natural Gemstone, 2.58 Carats, Cushion Cut, October Birthstone
    Regular price
    $129.00
    Sale price
    $129.00
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  • Aquamarine, 10.28ct, Ascher Cut, March Birthstone
    Regular price
    $599.00
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    $599.00
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  • Blue Ceylon Sapphire, GIA Lab Report, 1.54, Cushion Cut, September Birthstone
    Regular price
    $899.00
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    $899.00
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  • Pink Spinel, 1.13ct, Rectangular Cushion Cut, August Birthstone
    Regular price
    $199.00
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    $199.00
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  • Blue Spinel, 1.42 Carats, Trillion Cut, August Birthstone
    Regular price
    $169.00
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    $169.00
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  • Cobalt Blue Spinel, 1.09 Carat, Oval Cut, August Birthstone
    Regular price
    $169.00
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    $169.00
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