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Cut

Cut The most critical of the 4Cs, a diamond's brilliance and beauty are fueled by the quality of its cut. Cut refers to the arrangement of facets and how light travels through the diamond, and should not be confused with shape, such as round, pear, or oval. As light hits the surface of a diamond, some is immediately reflected, creating white light flashes known as brilliance. The light that enters the diamond is then refracted by the internal facets and directed back out through the table creating dispersion, known as fire. A poorly cut diamond will not create effects of brilliance or fire, whereas a well-cut diamond will be scintillating. GIA does not offer a grading system for fancy shapes, but round brilliant diamonds receive one of the following cut grades: Excellent, Very Good, Good, Fair, or Poor.

Oscar Winter only offers round brilliant keystone diamonds graded by gia as excellent, very good, or good. 

Carat

Carat The most commonly recognized, but often misunderstood, of the 4Cs is carat weight (ct). Carat is a unit of measurement referring to the weight of a diamond, not necessarily its size. Higher carat weight diamonds typically appear larger, but there are exceptions. Two diamonds can have exactly the same carat weight, but depending on the cutting style and proportions, one can look significantly larger. Two diamonds with the same carat weight will also have very different values depending on the other variables that determine the quality of a diamond - cut, clarity and color. Total carat weight (t.c.w.) represents the total weight of all diamonds or gemstones in a piece of jewelry, when more than one gemstone is used.

Oscar Winter recommends balancing carat weight with cut, color and clarity quality to achieve the most visually impressive diamond.

 

 

Color

Color A diamond’s color actually refers to its lack of color. Diamonds are color graded on a scale from D (colorless) through Z (light yellow). The color variation between each grade is extremely subtle but makes a great impact on the diamond quality and value. Diamonds graded D through I are considered colorless or near colorless and generally traces of yellow or brown go undetected by the naked eye. Diamonds graded K through Z will likely show traces of color.

Oscar Winter offers only diamonds with the highest color grades - colorless (D-F) or near colorless (G-J) - which do not show traces of yellow or brown to the naked eye.

 

 

Clarity

Clarity Diamond clarity refers to the absence of inclusions or blemishes - naturally occurring characteristics of a diamond that may negatively impact its brilliance, transparency and beauty. GIA's clarity grading scale considers the size, nature, position, color and quantity of inclusions when evaluated under 10x magnification to assign one of eleven grades in six main categories ranging from Flawless (FL) to Included (I3). Diamonds graded as Included may affect transparency and brilliance.

the Oscar Winter collection offers keystone diamonds graded from Flawless (FL) to Slightly Included (SI2), ensuring any naturally occurring inclusions do not obstruct the brilliance of your jewel.