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7x7mm Chatham Lab-Grown Square Step Cut Blue Sapphire, Weighs 2.06-2.52 Ct. - JewelryImpressions.com
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5x5mm Chatham Lab-Created Square Octagon Cut Blue Sapphire, Weighs .75-.92 Ct. - JewelryImpressions.com
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8x8mm Chatham Lab-Created Square Cushion Cut Blue Sapphire, Weighs 2.89-3.53 Ct. - JewelryImpressions.com
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