Gemological Services Competitors

At GIA, we believe every gem has a story — formed deep within the earth and revealed through science. For nearly 100 years, we’ve been bringing those stories to light through research, discovery and education. As a nonprofit, our mission is to ensure confidence in gems and jewelry by blending innovation, knowledge and science. From creating the 4Cs of diamond quality to inventing tools used worldwide, we make learning an adventure and turn discovery into truth. We don’t buy, sell or appraise gems. Instead, we provide trusted reports, education, and insights that help people — from industry professionals to everyday consumers — make informed decisions with clarity. This is GIA: where curiosity fuels innovation, knowledge builds confidence and science inspires a world of trust.

At Jewelry Television® our mission is to open the world of fine jewelry and gemstones to everyone. Whether it's a special gift, rare gemstone, or fast-paced auction that you're looking for, Jewelry Television® has it all! For employment opportunities, please visit www.jtv.com/careers.

The Appraisal Institute is the leading professional association of real estate appraisers. The Appraisal Institute’s Code of Professional Ethics and Standards of Professional Practice comprise requirements for ethical and competent practice, and advance equal opportunity and nondiscrimination in our profession. Our work includes an array of professional education and advocacy programs, and stewardship of the highest level professional credentials in residential and commercial real estate appraisal. We encourage members and non-members alike to comment here, and contact us any time. Welcome to all!