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Eau Claire, Wisconsin - (715)835-5914 - Hours
Rochester, Minnesota - (507)288-5214 - Hours
For most of recorded history, rubies have been the most valuable gems. Rubies are very rare: it's almost impossible to mine flawless rubies and many mined rubies are enhanced with heat and fracture filling to improve their appearance. Chatham's lab-grown rubies have a pigeon's blood color and exceptional clarity worthy of this gem's ancient name ratnaraj: King of Gems.
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After creating emeralds in 1938, laboratory grown rubies, alexandrites, and a variety of sapphires all came to fruition over many decades of research in the hands of Carroll Chatham. A few years after his passing, his lifelong dream of diamond cultivation finally became a reality for his son, Tom in 1993.
Today, Chatham is still recognized as the leader of laboratory-grown gemstone and diamond jewelry revered for its superior quality and everyday elegance. The company's unbeatable Lifetime Warranty and Certificate of Authenticity assure reliability and long-term value.
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