Diamond Cut Guide

The Cut of the diamond determines not only the shape, but also; the amount of fiery brilliance and sparkle seen when looking at a diamond. Important characteristics of the cut like the depth, width and the placement of the facets determine the amount of reflective sparkle and fire within the diamond.


Shallow	Deep	Ideal

Shallow Cut Diamond: When a diamond is shallow cut, some light is lost through the bottom of the diamond, causing a lack of brilliance from shining through the diamond.

Deep Cut: When a diamond is deep cut, the diamond loses brilliance because light escapes from all sides of a diamond, as a result of this, the diamond may appear dark and lifeless.

Ideal Cut: : Ideal Cut diamonds offer superior grades of polish and symmetry. This cut allows fire and brilliance to shine through every cut of the diamond because of the perfect symmetry and polish.

Anatomy of a Diamond

Anatomy of a Diamond	Diameter:The width of a diamond as measured through the girdle.
	Table: The largest facet of a gemstone, it is a flat surface on the top of a gemstone.
	Crown: The upper portion of a diamond reaching from the table to above the girdle.
	Girdle: The slim edge around the widest part of a diamond that separates the crown and pavilion.
	Pavilion: The underside of a diamond that is between the girdle and culet.
	Culet: The small facet located in the bottom tip of the pavilion.
	Depth: The height of a gemstone, measured from the culet to the table.

Polish and Symmetry

Polish and Symmetry have a noticeable amount of influence in the cutting process. Symmetry refers to the balance of facets on a diamond. Variations in symmetry can affect the brilliance of a diamond. Poor Symmetry affects the way fire and light passes through a diamond. Polish refers to the smoothness of facets on a diamond. Poor polish may not only make facets look dull it may even dull the sparkle and fire of a diamond. For the most beautiful diamond, look for a symmetry grade of excellent (EX), very good (VG), or good (G) for a GIA graded diamond, and ideal (ID), excellent (EX), very good (VG), or good (G) for an AGSL graded diamond. Avoid diamonds with symmetry grades of fair (F) or poor (P), The alignment of their facets can misdirect light negatively, which affects the brilliance and fire of the diamond. Please note Sky Facet rejects all diamonds with cuts of Fair and Poor.

To learn about different shapes of a diamond, check out our Diamond Shape Guide.

Ideal

Excellent

Very Good

Good

Fair

Poor

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Ideal Cut: An Ideal Round cut diamond is decided on exclusive depth and table proportions that maximize's the fiery brilliance of light reflecting from a diamond.

Excellent Cut: An Excellent cut diamond is cut for an intense and vivid of brilliance and will reflect the majority of light captured by a diamond.

Very Good Cut: A Very Good cut diamond has been cut to capture most light that is captured and has carat weight that would other wise be lost in a higher cut grade.

Good Cut: : A Sky Facet Good cut diamond has been cut to save carat weight that would otherwise be lost on a higher cut grade diamond. These diamonds are balanced so that more carat weight will be saved and will reflect a good amount of light.

Fair Cut: A fair cut diamond is usually found in cheap quality jewelry. Sky Facet rejects diamonds with cut grades under Good.

Poor Cut: A Poor cut diamond is usually found in cheap quality jewelry.Sky Facet rejects diamonds with cut grades under Good.

Sky Facet Diamond Rating

Choosing a diamond couldn't be easier now. Sky Facet has developed a diamond rating system to help the process of choosing a diamond. Thanks to our exclusive Sky Facet diamond rating system. Learn more about how the Sky Facet Diamond Rating System can help you choose the right diamond.