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GIA Education. Elevate your career in gems and jewelry by combining passion with knowledge. Study at the Gemological Institute of America, the world’s foremost authority in gemology, and earn a diploma that opens doors throughout the industry.
Learn how the 4Cs affect appearance and value via videos, articles and interactive tools. Save and organize diamond reports, or create a diamond wish list-all with the new GIA App.
giaのレポートは信頼性、一貫性と整合性の最高水準を象徴します。 そして現在、GIAレポート チェックはすべてのGIAレポートに対してご利用可能であり、より高いレベルでの保証を提供いたします。
GIA’s laboratory in Bangkok, Thailand conducts research and provides services such as diamond grading and origin determination, colored stone grading and origin determination and pearl identification and classification. The laboratory, which includes a colored stone and pearl identification ...
Aug 13, 2015 · If you found these variations of the diamond GIA Diamond Clarity Scale informative, informally known as the clarity chart, have a look at GIA’s blog posts that explain the 4Cs of diamond quality: Understanding the 4Cs of Diamond Quality and Diamond Cut Grading.
2 days ago · gia 秉承誠信、學術、科學和專業精神的最高標準，致力於教育、研究、鑑定所服務和儀器開發。 gia 成立於 1931 年，是全世界鑽石、有色寶石和珍珠領域的最高權威機構。
GIA Publications is a major publisher of sacred choral music, hymnals, sacred music recordings, music education materials, and other fine products.
