gia certificate
Such nonprofit institution was founded in 1931. It aims to protect all buyers and sellers of gemstones by setting and maintaining the standards used to evaluate gemstone quality.
The institute does so through research, gem identification and diamond grading services and a variety of educational programs.
The GIA Laboratory provides a variety of gem grading and identification. The Diamond grading reports for unmounted natural and laboratory grown diamonds determine their key characteristics: color, clarity, cut and carat weight.
GIA實驗室提供各種寶石分級和鑑定。 未鑲嵌的天然鑽石和實驗室種植的鑽石等級報告確定了其主要特徵:顏色,淨度,切割和主石大細。
該非營利機構成立於1931年。其宗旨是通過制定和維護用於評估寶石質量的標準來保護寶石的買賣雙方。該研究所通過研究,寶石鑑定和鑽石分級服務以及各種教育計劃來做到這一點。
GRA CERTIFICATE
Our moissanites are all certified by the Global Gemological Research Association Institute, which is the standard of excellence in gemstones services worldwide, since 1993. The reports have proven to be internationally recognized passport for gemstones. For decades trade professionals, throughout the world, turn to GRA. for their expertise, consistency and reliability in gemstones identification and grading.
The methodology employed by GRA’s highly trained and experienced team of hundreds of scientific technicians and gemologists, has allowed for the evolution of the perfect formula regarding gemstone procedures, report record keeping gem and jewelry security and handling GRA’s state-of-the-art laboratories are located in the heart of the gem and jewelry districts throughout the world. GRA - The Standard of Excellence in gemstones and Fine Jewelry Evaluation Worldwide.
我們所有的莫桑鑽皆通過GRA的認證,一個來自1993年開始的全球寶石服務的卓越標準,亦是國際公認的寶石護照。於近數十年內,業界人士均紛紛轉向GRA,並認定他們在石鑑定和分級方面的專業知識,一致性和可靠性。
由數百名訓練有素以及經驗豐富的科學技術人員和寶石學家組成的團隊,促成了寶石配方的完美演化,在世界各地的實驗室裡提供了專業的寶石和珠寶證明。