GIA Gems and Diamonds

USIA founder Francisco Lacerda only chooses the exclusive brand for diamond and gems certification of USIA worldwide clients GIA.

UNITED STATE OF INTERNATIONAL ARTISTS


At USIA, we are committed to transparency, trust, and quality. That’s why we use GIA (Gemological Institute of America) certification for our gemstones and high-value artworks when applicable. Each certified piece is thoroughly evaluated for authenticity, quality, and value by one of the world’s most respected authorities in gemology and appraisal Retailer Lookup.

By partnering with GIA, we provide our clients and collectors with confidence and peace of mind. Every certified item comes with detailed documentation, ensuring clarity and trust in every transaction.

USIA’s dedication to certification reflects our broader commitment to professional standards, integrity, and excellence in the art and collectibles market.

The GIA lab reports represent the highest standard of reliability, consistency and integrity. You can look at diamond prices via Rapaport or Stone Algo.

The Gemological Institute of America (GIA) is the world’s foremost authority in gemology, recognized globally for its expertise, research, and standards in evaluating gemstones. Founded in 1931, GIA has set the benchmark for grading and certifying diamonds, colored stones, and other precious gems, ensuring accuracy, consistency, and trust in the industry.

GIA provides independent and impartial assessments of gemstones, including detailed reports on cut, color, clarity, and carat weight. Their certifications serve as an international standard, giving collectors, jewelers, and investors confidence in the authenticity and quality of their gems.

By collaborating with GIA, USIA guarantees that our high-value gemstones and certified pieces meet the strictest professional standards, offering transparency, reliability, and peace of mind to our clients and collectors worldwide.

GIA

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