The GIA and AGSL are the two most widely respected authorities on diamonds, so
Blue Nile only offers diamonds with grading reports from these laboratories. The GIA (Gemological Institute of America) set the standard for diamond grading and gemological identification, and their grading system serves as the international gem and jewelry industry's benchmark credentials. This report describes the following:
- Shape and Cutting Style The diamond shape and cutting style.
- Measurement The diamond dimensions in millimeters.
- Weight Weight of diamond listed to the nearest hundredth of a carat.
- Depth Depth (for round diamonds) and/or width (for fancy shapes) relative to diameter.
- Table Table facet (for round diamonds) and/or width (for fancy shapes) relative to diameter.
- Girdle Range of girdle thickness.
- Culet Appearance of culet facet.
- Finish Grades of polish and symmetry.
- Clarity Clarity grade determined under 10x magnification.
- Clarity Plot A map of the approximate size, type, and position of inclusions as viewed under a microscope.
- Color Grade of color.
- Fluorescence Color, and strength of color when diamond is viewed under UV light.
- Comments Description of additional diamond characteristics not mentioned in the report.
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The
Blue Nile philosophy is simple: Offer high-quality diamonds and fine jewelry at outstanding prices. At
Blue Nile, you'll find the education and guidance that make shopping easy and straightforward, so you'll make the best decision.
Blue Nile standards of quality ensure that when you go to Blue Nile, you've already edited your selection to the finest certified loose diamonds and jewelry. We're confident you won't find a better quality diamond or piece of jewelry for the price.
[ Source: www.bluenile.com ]
