Yahoo Italia Ricerca nel Web

Risultati di ricerca

  1. 3 giorni fa · 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.

    • English (Uk)

      About GIA A Tradition Of Science and Education. Established...

  2. 3 giorni fa · 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.

  3. 2 nov 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.

  4. 1 giorno fa · GIA's D-to-Z color-grading scale is the industry's most widely accepted grading system. The scale begins with the letter D, representing colorless, and continues, with increasing presence of color, to the letter Z.

  5. 2 giorni fa · GIA uses lab-graded comparison stones to determine if the green color is dark enough and saturated enough to be called emerald. Emerald is the green to greenish blue variety of beryl, a mineral species that also includes aquamarine as well as beryls in other colors.

  6. 3 giorni fa · A new study examines whether OpenAI's AI model ChatGPT is good at writing code for different problems hosted on the LeetCode testing platform. The researchers found that ChatGPT's success depends ...

  7. 1 giorno fa · Gabriel Filippelli is the executive director of the Indiana University Environmental Resilience Institute. He said northwest Indiana tends to emit the most carbon in the state. “Our biggest emitting region is northwest Indiana,” he said. “And that corridor, which has had a lot of emissions from transportation and from industry, and the ...