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.
Blue Nile quality standards are among the highest of all jewelers. At Blue Nile, shopping is risk-free because you've come directly to the finest loose diamonds and jewelry available. Blue Nile use only the finest materials to create jewelry with exceptional craftsmanship.Blue Nile Wedding Bands: Purchase Wedding Bands and Luxury Diamond Jewelry at Blue Nile
At the Blue Nile Online Store you'll find all manner of Blue Nile jewelry and diamonds, watches, special discounts and best-ever prices. From the excellent Blue Nile range of Blue Nile engagement rings, wedding bands and watches to Blue Nile luxury gifts, diamond necklaces … and much more. Below is just a tiny selection of what you can find at Blue Nile Online: