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Global Gemology's collection of rare gems and jewels has been curated by a Graduate Gemologist, Certified Master Appraiser, Registered Gemologist Appraiser, Applied Jewelry Professional, and CPAA Certified Cultured Pearl Specialist.  Browse our selection of rare gems including melo pearl, conch pearl, quahog pearl, padparadscha sapphire, paraiba tourmaline, trapiche emerald, color change sapphire, jade, opal, ruby, spinel, and more!