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.

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 ]

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 partner with diamond and jewelry merchants worldwide to get the finest quality merchandise at the very best prices. Then Blue Nile pass the savings on to you, so you can buy a more beautiful diamond or piece of jewelry. In fact, you'll find Blue Nile prices are as much as 20-40% below traditional jewelry retailers. All Blue Nile diamond jewelry features near-colorless (I-grade color) with eye-clean clarity (SI-grade clarity). This standard applies to all Blue Nile diamond jewelry, even pieces with the smallest diamonds.

Equally exceptional quality is found with Blue Nile's range of finest sterling silver jewelry, the best 18k gold jewelry and the strongest, most durable jewelry grade platinum. Akoya and Tahitian cultured pearl jewelry ... [ More ]

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