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For that reason, GIA only grades unmounted diamonds. Fees are determined by the diamond’s weight. GIA recommends submitting your jewelry to a jeweler familiar with GIA’s diamond submission process. For more information or assistance, contact a client services representative at a GIA laboratory near you.
GIA (Gemological Institute of America) is the foremost independent grading lab in the world. It examines diamonds and issues impartial evaluations for stones submitted to them. Both the trade (auction houses, retailers, and suppliers) and the public can submit diamonds for a fee and receive a grading report.
Feb 15, 2018 · GIA is an independent, nonprofit organization that conducts gem research, educates gem professionals and sets the standards for determining diamond quality. One of GIA’s main functions is the grading of diamonds. You may have already heard or learned about the 4Cs of diamond quality: color, clarity, cut and carat weight.
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。
A diamond’s cut was described as “made well” or “made poorly.”. Then in the 1940s, Robert M. Shipley, the founder of GIA, coined the term 4Cs to help his students remember the four factors that characterize a faceted diamond: color , clarity , cut and carat weight. The concept was simple, but revolutionary.
You can send your diamond to GIA for grading and analysis. Many consumers send the diamond through a retailer for packaging, shipping and insuring the item. A jeweler will have to remove your diamond from its setting, since GIA Diamond Grading Reports are only issued for unmounted stones.
My Laboratory & GIA Laboratory Client Portal. Now featuring one log in for My Laboratory and the GIA Client Portal. Maintain your laboratory account information and grading results online. You can manage your team members and provide access to My Laboratory, update payment preferences, view open balances and create shipping memos.
