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  1. hongkong.gia.edu › ZH-HK › home首頁

    GIA 是世界上最值得信賴的鑽石分級和寶石鑑定品牌。GIA 以客觀專業著稱,確保所出的每一份證書均全面且準確。GIA 為天然鑽石、天然彩色鑽石、實驗室培育的鑽石、有色寶石、珍珠和未知材料的鑑定提供證書和服務。

  2. Get to know all you need about diamond – the history, facts, quality factors, treatments, imitations and much more here at GIA.

  3. Citrine is the transparent, pale yellow to brownish orange variety of quartz. View the Gem Encyclopedia. Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services.

  4. 鑽石鑑定精簡版報告(Diamond Dossier ®) 全面的4C評估,包括GIA報告編號鐳射刻字。僅適用於顏色等級為D-Z、重量為0.15-1.99克拉的未鑲嵌天然鑽石。 檢視報告範本

  5. GIA 了解您需要的关于钻石的一切 - 历史、事实、质量要素、处理、仿品及更多。.

  6. 5 天前 · 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 香港充分利用 GIA 數十年來的創新研究,提供全球首屈一指的寶石和珠寶培訓及鑒定服務,在客觀性和準確性方面無與倫比。 世界知名的教育 GIA 香港校區位於中環的中心地帶

  7. 2024年4月5日 · GIA is the world’s most trusted name in diamond grading and gem identification. With objectivity and expertise as its hallmarks, GIA ensures the integrity and accuracy of every report it issues. GIA tests every material submitted to determine whether it is natural or not, and discloses any treatments discovered during our examination.

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