China MGO Gem Synthetic Corundum 3# Lab Grown White, Lavender, Violet, Gold Yellow, Champagn Pink Sapphire Round Excellent Cut Loose Gemstone, Find details and Price about China Lab Created Corundum, Corundum Gemstones from MGO Gem Synthetic Corundum 3# Lab Grown White, Lavender, Violet, Gold Yellow, Champagn Pink Sapphire Round Excellent Cut Loose Gemstone