Astor by Blue Nile™ is an exclusive cut offering maximum sparkle. Of all the 4 Cs, cut is the most important, and nothing tops Astor-cut diamonds because they reflect the most light possible, excelling in brilliance, fire, and scintillation. Shop the selection of Astor round, princess, and cushion diamonds available at Blue Nile to create a stunning handcrafted piece.
The cut grade of any diamond refers to the proportions of the facets to facilitate light reflection.
How many cut grades does Blue Nile offer?
Blue Nile offers four cut grades: Good, Very Good, Ideal, and Astor by Blue Nile™. There is also a Poor/Fair grade, but you'll never find it at Blue Nile.
What are the characteristics of a well-cut diamond?
There are three terms you'll hear in reference to a diamond's cut, including brilliance, fire, and scintillation. Brilliance refers to light reflection, fire is the dispersion of light into the colors of the rainbow, and scintillation is the contrast between the light and dark areas.
What is the most expensive cut of diamond available at Blue Nile?
Our rarest and most expensive cut is the Astor by Blue Nile™. This diamond reflects more white light back than any other diamond cut we offer.