Tanzanite, a rare and mesmerizing gemstone, is quietly making waves among collectors, fashion influencers, and high-end designers.
Its rarity, combined with its ever-increasing demand, makes it one of the most sought-after jewels of the moment.
A public benefit, nonprofit institute, GIA is the leading source of knowledge, standards, and education in gems and jewelry. Welcome to GIA. Students around the globe turn to GIA for the knowledge, ...
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