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  1. Hace 5 días · June 2024 Market Recap. With returns of -4.08%, 4.96%, and 3.59% in April, May, and June, respectively, the second quarter of 2024 started with a slump as the euphoria of an expected half dozen rate cuts fizzled out like soggy fireworks.

  2. Hace 2 días · Peridot is the gem variety of the mineral olivine. Its chemical composition includes iron and magnesium, and iron is the cause of its attractive yellowish green colors.

  3. Hace 1 día · A public benefit, nonprofit institute, GIA is the leading source of knowledge, standards, and education in gems and jewelry. GIA discovers (through GIA Research), imparts (through GIA Education), and applies (through the GIA laboratory and GIA Instruments) gemological knowledge to the public.

  4. Hace 2 días · Established in 1931, the Gemological Institute of America (GIA) is the world’s foremost authority on diamonds, colored stones, and pearls. A public benefit, nonprofit institute, GIA is the leading source of knowledge, standards, and education in gems and jewelry.

  5. Hace 3 días · Diamond Color. The color evaluation of most gem-quality diamonds is based on the absence of color. A chemically pure and structurally perfect diamond has no hue, like a drop of pure water, and consequently, a higher value.

  6. 2 de nov. de 2023 · Evaluating diamond clarity involves determining the number, size, relief, nature, and position of these characteristics, as well as how these affect the overall appearance of the stone. While no diamond is perfectly pure, the closer it comes, the higher its value.

  7. Hace 2 días · We offer the finest gem and jewelry education in the world with curriculum developed from our groundbreaking research and delivered by the industry’s leading experts. GIA gives you the knowledge and practical skills to translate your love for gems and jewelry into a rewarding career.