("Radiant cut")
Cut this species is a hybrid modification of the old French square-cut and Emerald (a kind of cut Asher). Cut "radiant" is usually from 61 to 77 facets, including 8 girdle facets. It is also possible and a greater number of faces.
Standardized in Russia varieties of cut "Radiant" are from 65 to 89 faces.
Shestidesyatiletiya cut ("RA 65") has 25 faces of the crown (one octagonal face of the ground, 8 wedges of the crown, eight triangular faces of the second tier of the crown, eight trapezoidal faces of the first tier of the crown), 32 the pavilion facets (four pentagonal top face pavila, four main facets of the pavilion in the form of deltoid, twenty-four triangular facets chevrons) and eight edges of the girdle.

The main elements diamond cut "Radiant"
(the settings are for optimal cut shapes)

The calculation of the weight

Calculate the weight (in carats) diamond cut "Radiant" isometric shape for diamond is produced by the basic formula:

M = L x B x H x k

M – mass cut diamond, L is the length of the faceted diamond, B – width of cut diamond, H – the height of the diamond, k – conversion factor metric measurements using the volume to mass, taking into account the geometry of the cut, and the density of diamond having a value 0,0080.
When the weight (in carats) diamond cut "Radiant" than from isometric form, the value of k can vary from to 0,0085 0,0100 depending on the ratio of length to width of the stone.

More precisely, a weight is determined taking into account the amendments on the thickness of the girdle, bulge cut, size caletta, the ratio of the proportions of the cut.

Cut "radiant" was developed in 1977 year, the company Crossbed Henry (Henry Grossbard) "Radiant Cut Diamond Company" (RCDC). In 2002, the company patented a brand ("Original Radiant Cut").

Varieties cut "Radiant"

"Radiant, RA-65" "Original Radiant Cut" "Phoenix"