Chatham-Created Gems
Lab-grown gemstones
Eco-friendly Chatham-created gemstones
For green-minded and budget savvy consumers, we’re proud to offer you eco-friendly Chatham-created gems for your gorgeous custom ring or jewelry piece. Choose from Chatham lab-grown rubies, sapphires, emeralds, alexandrites, pink sapphires, padparadschas and more.
Chatham-created gemstones are real. Chatham creates the environment in which gems can grow naturally. Once the required combination of chemical and environmental factors is created, the crystals grow over time.
Only trained gemologists with magnification can tell the difference between Chatham flux grown and mined gemstones. Diminish your carbon footprint by featuring a Chatham-created center stone in your custom ring.
Top color and quality backed with a warranty
Our crystal growth is more predictable and consistent, yielding finest qualities and colors found in nature at a much lower price.
Trust, integrity, and value are at the heart of Chatham. For your peace of mind, we provide a lifetime warranty on Chatham stones. A small bi-fold included with your purchase certifies the stones authenticity and details the warranty.
Graduate gemologists on staff to assist you
If you have questions about Chatham gems or just need help selecting the perfect stone for your custom ring simply call 970-535-4139 for personal service from one of our staff gemologists. Or for more information about individual Chatham gemstones or to narrow your search, please use the drop-down menu in our navigation area above.
Peg and her husband Jim (shown right) wanted something special for her engagement ring, so they picked this amazing square cushion cut Chatham champagne sapphire set in a spectacular diamond halo mounting. Chatham champagne sapphires have gentle hues of pink, orange and yellow. Peg couldn’t be happier with her gorgeous ring!
Our Chatham Gemstones
Choose Your Favorite Gemstone
So what's the big diff?
Chatham Flux Gemstones Vs. Others
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Sale!
3.0mm Chatham Lab-Grown Round Emerald, Weighs .08-.09 Ct.
$37.00 -
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3x3mm Chatham Lab-Grown Heart Shaped Emerald, Weighs .08-.10 Ct.
$37.00 -
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4x2mm Chatham Lab-Grown Baguette Emerald, Weighs .08-.10 Ct.
$37.00 -
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5x2mm Chatham Lab-Grown Baguette Emerald, Weighs .09-.11 Ct.
$41.63 -
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3.0mm Chatham Lab-Grown Round Alexandrite, Weighs .11-.13 Ct.
$45.38 -
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3x3mm Chatham Lab-Grown Heart Shaped Alexandrite, Weighs .12-.14Ct.
$49.50 -
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3x3mm Chatham Lab-Grown Princess Cut Emerald, Weighs .11-.13 Ct.
$50.88 -
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3.0mm Chatham Lab-Grown Round Ruby, Weighs .12-.14 Ct.
$52.50 -
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4x2mm Chatham Lab-Grown Baguette Ruby, Weighs .12-.14 Ct.
$52.50 -
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5x2mm Chatham Lab-Grown Baguette Alexandrite, Weighs .13-.16 Ct.
$53.63 -
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3.5mm Chatham Lab-Grown Round Emerald, Weighs .12-.15 Ct.
$55.50 -
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3x3mm Chatham Lab-Grown Heart Shaped Ruby, Weighs .13-.15 Ct.
$56.88 -
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5x2mm Chatham Lab-Grown Baguette Ruby, Weighs .14-.18 Ct.
$61.25 -
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3x3mm Chatham Lab-Grown Princess Cut Alexandrite, Weighs .15-.19 Ct.
$61.88 -
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5x3mm Chatham Lab-Grown Marquise Emerald, Weighs .14-.18 Ct.
$64.75 -
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5x3mm Chatham Lab-Grown Pear Shaped Emerald, Weighs .14-.18 Ct.
$64.75 -
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5x3mm Chatham Lab-Created Oval Emerald, Weighs .15-.18 Ct.
$69.38 -
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3x3mm Chatham Lab-Created Princess Cut Ruby, Weighs .16-.20 Ct.
$70.00 -
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3.5mm Chatham Lab-Grown Round Alexandrite, Weighs .17-.21 Ct.
$70.13 -
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6x3mm Chatham Lab-Created Marquise Emerald, Weighs .16-.20 Ct.
$74.00 -
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5x3mm Chatham Lab-Grown Marquise Alexandrite, Weighs .19-.23 Ct.
$78.38 -
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5x3mm Chatham Lab-Created Pear Shaped Alexandrite, Weighs .20-.25Ct.
$82.50 -
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3.5mm Chatham Lab-Grown Round Ruby, Weighs .19-.23 Ct.
$83.13 -
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4.0mm Chatham Lab-Grown Round Emerald, Weighs .18-.22 Ct.
$83.25 -
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4x4mm Chatham Lab-Created Trillion Emerald, Weighs .18-.22 Ct.
$83.25 -
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5x3mm Chatham Lab-Created Emerald Cut Emerald, Weighs .18-.22 Ct.
$83.25 -
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5x3mm Chatham Lab-Grown Oval Alexandrite, Weighs .21-.26 Ct.
$86.63 -
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5x3mm Chatham Lab-Grown Marquise Ruby, Weighs .21-.25 Ct.
$91.88 -
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4x4mm Chatham Lab-Created Heart Shaped Emerald, Weighs .20-.24 Ct.
$92.50 -
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4.0mm Chatham Lab-Grown Round Aqua Blue Spinel, Weighs .25-.30 Ct.
$93.75 -
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6x3mm Chatham Lab-Grown Marquise Alexandrite, Weighs .23-.28 Ct.
$94.88 -
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5x3mm Chatham Lab-Grown Pear Shaped Ruby, Weighs .22-.26 Ct.
$96.25 -
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5x3mm Chatham Lab-Created Baguette Emerald, Weighs .21-.26 Ct.
$97.13 -
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5x3mm Chatham Lab-Grown Oval Ruby, Weighs .23-.28 Ct.
$100.63 -
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5x3mm Chatham Lab-Grown Emerald Cut Alexandrite, Weighs .25-.31 Ct.
$103.13 -
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4.0mm Chatham Lab-Created Round Alexandrite, Weighs .26-.23 Ct.
$107.25 -
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4x4mm Chatham Lab-Grown Trillion Alexandrite, Weighs .26-.32 Ct.
$107.25 -
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6x3mm Chatham Lab-Grown Marquise Ruby, Weighs .25-.30 Ct.
$109.38 -
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4x4mm Chatham Lab-Created Square Cushion Cut Emerald, Weighs .24-.29 Ct.
$111.00 -
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4x4mm Chatham Lab-Created Heart Shaped Alexandrite, Weighs .28-.34 Ct.
$115.50 -
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5x3mm Chatham Lab-Grown Emerald Cut Ruby, Weighs .27-.33 Ct.
$118.13 -
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4x4mm Chatham Lab-Grown Square Cushion Cut Aqua Blue Spinel, Weighs .32-.40 Ct.
$120.00 -
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4.5mm Chatham Lab-Grown Round Emerald, Weighs .26-.32 Ct.
$120.25 -
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4x4mm Chatham Lab-Grown Princess Cut Emerald, Weighs .26-.31 Ct.
$120.25 -
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7×3.5mm Chatham Lab-Created Marquise Emerald, Weighs .26-.32 Ct.
$120.25 -
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4.0mm Chatham Lab-Grown Round Ruby, Weighs .28-.34 Ct.
$122.50 -
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4x4mm Chatham Lab-Grown Trillion Ruby, Weighs .28-.34 Ct.
$122.50 -
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5x3mm Chatham Lab-Created Baguette Alexandrite, Weighs .30-.37 Ct.
$123.75 -
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4x4mm Chatham Lab-Grown Heart Shaped Ruby, Weighs .29-.35 Ct.
$126.88 -
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4.5mm Chatham Lab-Grown Round Aqua Blue Spinel, Weighs .35-.43 Ct.
$131.25 -
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4x4mm Chatham Lab-Grown Princess Cut Aqua Blue Spinel, Weighs .35-.43 Ct.
$131.25 -
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5x3mm Chatham Lab-Created Baguette Ruby, Weighs .32-.40 Ct.
$140.00 -
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4x4mm Chatham Lab-Grown Square Cushion Cut Alexandrite, Weighs .34-.41 Ct.
$140.25 -
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6x4mm Chatham Lab-Grown Pear Shaped Emerald, Weighs .31-.37 Ct.
$143.38 -
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4x4mm Chatham Lab-Grown Princess Cut Alexandrite, Weighs .35-.43 Ct.
$144.38 -
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6x4mm Chatham Lab-Grown Oval Emerald, Weighs .32-.39 Ct.
$148.00 -
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7×3.5mm Chatham Lab-Grown Marquise Alexandrite, Weighs .36-.44 Ct.
$148.50 -
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4.5mm Chatham Lab-Grown Round Alexandrite, Weighs .37-.45 Ct.
$152.63 -
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6x4mm Chatham Lab-Created Pear Shaped Aqua Blue Spinel, Weighs .41-.51 Ct.
$153.75 -
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5x5mm Chatham Lab-Created Trillion Alexandrite, Weighs .50-.61 Ct.
$156.75 -
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4x4mm Chatham Lab-Created Square Cushion Cut Ruby, Weighs .36-.44 Ct.
$157.50 -
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4x4mm Chatham Lab-Created Princess Cut Ruby, Weighs .37-.47 Ct.
$161.88 -
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6x4mm Chatham Lab-Grown Oval Aqua Blue Spinel, Weighs .44-.53 Ct.
$165.00 -
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5.0mm Chatham Lab-Grown Round Emerald, Weighs .36-.45 Ct.
$166.50 -
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5x5mm Chatham Lab-Grown Trillion Emerald, Weighs .36-.44 Ct.
$166.50 -
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6x4mm Chatham Lab-Created Antique Cushion Cut Emerald, Weighs .36-.44 Ct.
$166.50 -
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4.5mm Chatham Lab-Grown Round Ruby, Weighs .39-.48 Ct.
$170.63 -
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7×3.5mm Chatham Lab-Grown Marquise Ruby, Weighs .39-.48 Ct.
$170.63 -
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6x4mm Chatham Lab-Grown Emerald Cut Emerald, Weighs.38-.47 Ct.
$175.75 -
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6x4mm Chatham Lab-Grown Pear Shaped Alexandrite, Weighs .43-.53 Ct.
$177.38 -
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5x5mm Chatham Lab-Created Heart Shaped Emerald, Weighs .39-.47 Ct.
$180.38 -
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8x4mm Chatham Lab-Grown Marquise Emerald, Weighs .39-.47 Ct.
$180.38 -
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5.0mm Chatham Lab-Grown Round Aqua Blue Spinel, Weighs .49-.59 Ct.
$183.75 -
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6x4mm Chatham Lab-Created Oval Alexandrite, Weighs .45-.56 Ct.
$185.63 -
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6x4mm Chatham Lab-Grown Pear Shaped Ruby, Weighs .46-.56 Ct.
$201.25 -
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5.0mm Chatham Lab-Created Round Alexandrite, Weighs .50-.62 Ct.
$206.25 -
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6x4mm Chatham Lab-Created Antique Cushion Cut Alexandrite, Weighs .50-.62 Ct.
$206.25 -
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6x4mm Chatham Lab-Created Oval Ruby, Weighs .48-.59 Ct.
$210.00 -
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5x5mm Chatham Lab-Grown Square Cushion Cut Emerald, Weighs .47-.57 Ct.
$217.38 -
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5.5mm Chatham Lab-Grown Round Emerald, Weighs .48-.58 Ct.
$222.00 -
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6x4mm Chatham Lab-Grown Emerald Cut Alexandrite, Weighs .54-.66 Ct.
$222.75 -
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8x4mm Chatham Lab-Created Marquise Alexandrite, Weighs .54-.67 Ct.
$222.75 -
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5x5mm Chatham Lab-Created Heart Shaped Alexandrite, Weighs .55-.67 Ct.
$226.88 -
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5x5mm Chatham Lab-Grown Princess Cut Emerald, Weighs .50-.62 Ct.
$231.25 -
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5.0mm Chatham Lab-Created Round Ruby, Weighs .54-.66 Ct.
$236.25 -
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5x5mm Chatham Lab-Created Square Cushion Cut Aqua Blue Spinel, Weighs .63-.78 Ct.
$236.25 -
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5x5mm Chatham Lab-Grown Trillion Ruby, Weighs .54-.66 Ct.
$236.25 -
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6x4mm Chatham Lab-Grown Antique Cushion Cut Ruby, Weighs .54-.66 Ct.
$236.25 -
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5.5mm Chatham Lab-Created Round Aqua Blue Spinel, Weighs .65-.79 Ct.
$243.75 -
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6x4mm Chatham Lab-Created Emerald Cut Ruby, Weighs .58-70 Ct.
$253.75 -
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8x4mm Chatham Lab-Created Marquise Ruby, Weighs .58-.71 Ct.
$253.75 -
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9×4.5mm Chatham Lab-Grown Marquise Emerald, Weighs .55-.68 Ct.
$254.38 -
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5x5mm Chatham Lab-Grown Princess Cut Aqua Blue Spinel, Weighs .68-.83 Ct.
$255.00 -
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5x5mm Chatham Lab-Grown Heart Shaped Ruby, Weighs .59-.72 Ct.
$258.13 -
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7x5mm Chatham Lab-Created Pear Shaped Emerald, Weighs .56-.68 Ct.
$259.00 -
Sale!
Chatham-Created 6.0mm Round Lab-Grown Pink Champagne Sapphire Weighs .93-1.14 Ct.
$269.70 -
Sale!
5x5mm Chatham Lab-Grown Square Cushion Cut Alexandrite, Weighs .66-.80 Ct.
$272.25 -
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7x5mm Chatham Lab-Grown Oval Emerald, Weighs .59-.73 Ct.
$272.88 -
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5.5mm Chatham Lab-Grown Round Alexandrite, Weighs .67-.82 Ct.
$276.38 -
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7x5mm Chatham Lab-Grown Pear Shaped Aqua Blue Spinel, Weighs .76-.92 Ct.
$285.00 -
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6.0mm Chatham Lab-Grown Round Emerald, Weighs.62-.76 Ct.
$286.75 -
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6x6mm Chatham Lab-Created Trillion Emerald, Weighs .62-.76 Ct.
$286.75 -
Sale!
5x5mm Chatham Lab-Created Princess Cut Alexandrite, Weighs .70-.85 Ct.
$288.75