Gsi Certified Diamond

Diamonds are directly imported from the diamond capitals of the world after being hand picked by tom shane and the rest of the shane co.

Gsi certified diamond.

The professional gem science laboratory pgs is also a dependable lab but doesn t have a significant market share. The modified diamond examination report is basically a condensed version of a full fledged grading report. Some jewelers opt for this type of grading report to market and highlight a certain aspect of the diamond. Gemological science international research department is at the forefront of the rapidly changing processes related to treatments of diamonds and gemstones synthetic technologies and many others.

Grading all shane co. The gemological science international gsi is an adequate lab that will at times have one or two grade inconsistencies. The trusted diamond grading laboratory. Gemological science international s grading standards and consistency are similar to those of the igi and gia making them another valuable resource for diamond certification.

Because gsi primarily works with large chain jewelers like zales and jared the galleria of jewelry it is difficult to assess how truly objective they are in grading diamonds. While a diamond graded by the gsi will be less expensive than a diamond who achieves the same grades on a gia scale the gsi diamond. In the example below my diamond story is a vendor that includes a gsi light analysis of the diamond they are selling for its better light performance. Diamonds with true color are often rarer than traditional white diamonds and you may face a price to match.

Gsi and gia are the only major organizations in the world that are on the leading edge of gemological research and offering solutions to the challenges that face the diamond industry. Diamond certification and grading guide. Egl has lost much of its credibility and market share.