Thomas Cooper Jewelry 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

18 products
  • 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 Tourmaline, 5.51ct, Oval Cut, October Birthstone
    Regular price
    $699.00
    Sale price
    $699.00
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  • Aquamarine, 10.28ct, Ascher Cut, March Birthstone
    Regular price
    $599.00
    Sale price
    $599.00
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  • Blue Spinel, 1.52 Carats, Pear Cut, August Birthstone
    Regular price
    $169.00
    Sale price
    $169.00
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  • Pink Spinel, 1.13ct, Rectangular Cushion Cut, August Birthstone
    Regular price
    $199.00
    Sale price
    $199.00
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  • Blue Spinel, 1.42 Carats, Trillion Cut, August Birthstone
    Regular price
    $169.00
    Sale price
    $169.00
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  • Cobalt Blue Spinel, 1.09 Carat, Oval Cut, August Birthstone
    Regular price
    $169.00
    Sale price
    $169.00
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  • Ceylon Blue Spinel, 1.44 Carat, Oval Cut, August Birthstone
    Regular price
    $289.00
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    $289.00
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  • Gray Spinel, 1.26ct, Rectangular Cushion Cut, August Birthstone
    Regular price
    $149.00
    Sale price
    $149.00
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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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  • Mint Green Tourmaline, 5.74ct, Oval Cut, October Birthstone
    Regular price
    $835.00
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    $835.00
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  • Natural Fancy Color Diamond, G.I.A. Certificate, 0.47ct, Brilliant Cut, April Birthstone
    Regular price
    $899.00
    Sale price
    $899.00
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