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Get to know all you need about diamond – the history, facts, quality factors, treatments, imitations and much more here at GIA.
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。
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
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
Established in 1931, GIA is an independent nonprofit that protects the gem and jewelry buying public through research, education and laboratory services. Gem Encyclopedia Birthstones
GIA鑽石鑑定證書設有線上核對服務，讓客人可以確認自己收到的GIA鑽石鑑定證書（GIA Diamond Grading Report）以及鑽石鑑定精簡版證書（Diamond Dossier），當中的資料與 GIA 資料庫所記載是否一樣。. 客人只需要在網站內輸入 GIA 的證書號碼，或者掃一下證書上的QR Code ...
The new GIA Diamond Origin Report contains all the unbiased, accurate data of a Diamond Grading Report, plus GIA’s scientific determination of the diamond’s country of origin and a microscopic laser inscription of the report number on the diamond’s girdle.
From the Hope diamond to the Spirit of the Rose, the Taylor Burton and the Lesotho Promise, we are trusted by museums and top auction houses all over the world to grade and research nature’s finest treasures. We apply the same passion, precision and expertise that we use in grading these world-famous diamonds to grading every diamond ...
The GIA Diamond Cut Grading System, introduced in 2005 after years of extensive research, assigns one of five grades to describe the overall cut quality of a standard round brilliant diamond in the GIA D-to-Z color range.
GIA官方認證專家為您講解鑽石須知。 持正貨商標，多年來服務過萬客人，可能係全港最優惠及極具人氣的鑽石專門店！ Diamania迷雅鑽每天從原產地嚴選第一手頂級鑽石批發，價格明顯較一般鑽石樓上鋪更低。
