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Chatham Alexandrites: Top Color Lab Grown Alexandrites
Graduate Gemologists
On Staff To Assist You
Graduate Gemologists Michelle, Alison and Liz


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loose alexandrites / loose blue sapphires / loose emeralds / loose padparadschas / loose pink sapphires / loose rubies / loose seafoam garnets / loose white sapphires / loose yellow sapphires / loose diamonds

SAVE On Top-Color Chatham Loose Alexandrites

Alexandrites exhibit the unique phenomenon known as Color Change. Under indoor lighting alexandrites can be a redish-purple while outdoors they can turn a beautiful teal green. Top quality natural alexandrites with excellent color change are rare and valuable.

Chatham cultured alexandrites exhibit excellent color change because they are grown in a controlled environment. They are not fakes, rather they are REAL alexandrites grown in a laboratory.

Our top-color Chatham lab created synthetic alexandrites are available in a variety of sizes and shapes including round, oval, trillion, marquise, pear, princess cut alexandrites, emerald cut and more. Available Chatham Gemstone Shapes

Get Personalized Service With One Of Our Staff GIA-Trained Graduate Gemologists

We want you to enjoy selecting the perfect Chatham lab-grown alexandrite. So we offer you the one-on-one attention you deserve to select the perfect Chatham-created alexandrite at an exceptional price. If you don't see the stone you're looking for below, simply Tell Us What You're Looking For and we'll assist you.

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10x5mm Marquise Gem Quality Chatham-Created Cultured Color-Change Alexandrite 1.10-1.34 Ct. (SKU: CH-LGQ10x5MQAL) 10x8mm Octagon Emerald Cut Gem Quality Chatham-Created Cultured Color-Change Alexandrite 3.76-4.60 Ct. (SKU: CH-LGQ10x8OCAL) 10x8mm Oval Gem Quality Chatham Cultured Lab-Grown Color-Change Alexandrite 2.93-3.59 Ct. (SKU: CH-LGQ10x8OVAL) 11x9mm Octagon Emerald Cut Gem Quality Chatham-Created Cultured Color-Change Alexandrite 5.60-6.40 Ct. (SKU: CH-LGQ11x9OCAL)

10x5mm Marquise Gem Quality Chatham-Created Cultured Color-Change Alexandrite 1.10-1.34 Ct. (SKU: CH-LGQ10x5MQAL)

10x8mm Octagon Emerald Cut Gem Quality Chatham-Created Cultured Color-Change Alexandrite 3.76-4.60 Ct. (SKU: CH-LGQ10x8OCAL)

10x8mm Oval Gem Quality Chatham Cultured Lab-Grown Color-Change Alexandrite 2.93-3.59 Ct. (SKU: CH-LGQ10x8OVAL)

11x9mm Octagon Emerald Cut Gem Quality Chatham-Created Cultured Color-Change Alexandrite 5.60-6.40 Ct. (SKU: CH-LGQ11x9OCAL)

Price $395.28
Sale Price $263.52
Price $1,354.32
Sale Price $902.88
Price $1,056.24
Sale Price $704.16
Price $2,520.00
Sale Price $1,680.00
11x9mm Oval Gem Quality Chatham Cultured Lab-Grown Color-Change Alexandrite 3.88-4.74 Ct. (SKU: CH-LGQ11x9OVAL) 12x10mm Octagon Emerald Cut Gem Quality Chatham-Created Cultured Color-Change Alexandrite 7.00-8.00 Ct. (SKU: CH-LGQ12x10OCAL) 12x10mm Oval Gem Quality Chatham Cultured Lab-Grown Color-Change Alexandrite 5.53-6.75 Ct. (SKU: CH-LGQ12x10OVAL) 12x6mm Marquise Gem Quality Chatham-Created Cultured Color-Change Alexandrite 1.71-2.09 Ct. (SKU: CH-LGQ12x6MQAL)

11x9mm Oval Gem Quality Chatham Cultured Lab-Grown Color-Change Alexandrite 3.88-4.74 Ct. (SKU: CH-LGQ11x9OVAL)

12x10mm Octagon Emerald Cut Gem Quality Chatham-Created Cultured Color-Change Alexandrite 7.00-8.00 Ct. (SKU: CH-LGQ12x10OCAL)

12x10mm Oval Gem Quality Chatham Cultured Lab-Grown Color-Change Alexandrite 5.53-6.75 Ct. (SKU: CH-LGQ12x10OVAL)

12x6mm Marquise Gem Quality Chatham-Created Cultured Color-Change Alexandrite 1.71-2.09 Ct. (SKU: CH-LGQ12x6MQAL)

Price $1,396.44
Sale Price $930.96
Price $3,150.00
Sale Price $2,100.00
Price $2,486.70
Sale Price $1,657.80
Price $615.60
Sale Price $410.40
3.0mm Round Gem Quality Chatham Cultured Lab-Grown Color-Change Alexandrite .13-.15 Ct. (SKU: CH-LGQ300RDAL) 3.5mm Round Gem Quality Chatham Cultured Lab-Grown Color-Change Alexandrite .17-.21 Ct. (SKU: CH-LGQ350RDAL) 3x3mm Heart Shaped Gem Quality Chatham-Created Cultured Color-Change Alexandrite .13-.15 Ct. (SKU: CH-LGQ3x3HSAL) 3x3mm Princess Cut Gem Quality Chatham-Created Cultured Color-Change Alexandrite .15-.19 Ct. (SKU: CH-LGQ3x3PRAL)

3.0mm Round Gem Quality Chatham Cultured Lab-Grown Color-Change Alexandrite .13-.15 Ct. (SKU: CH-LGQ300RDAL)

3.5mm Round Gem Quality Chatham Cultured Lab-Grown Color-Change Alexandrite .17-.21 Ct. (SKU: CH-LGQ350RDAL)

3x3mm Heart Shaped Gem Quality Chatham-Created Cultured Color-Change Alexandrite .13-.15 Ct. (SKU: CH-LGQ3x3HSAL)

3x3mm Princess Cut Gem Quality Chatham-Created Cultured Color-Change Alexandrite .15-.19 Ct. (SKU: CH-LGQ3x3PRAL)

Price $45.36
Sale Price $30.24
Price $61.56
Sale Price $41.04
Price $45.36
Sale Price $30.24
Price $55.08
Sale Price $36.72
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