In a brilliant cut diamond facets are arranged in such a manner that they appear radiating outward.
Brilliant cut diamond facets.
A specific set of terms is used to describe parts of a polished diamond.
In the standard round brilliant there are 57 or 58 facets.
To determine the cut grade of the standard round brilliant diamond the shape that dominates the majority of diamond jewelry gia calculates the proportions of those facets that influence the diamond s face up appearance.
A brilliant cut stone is round in plan view and has 58 facets 33 of which are above the girdle the widest part of the stone and 25 of which are below.
The shape resembles that of a cone and provides maximized light return through the top of the diamond.
Well according to gia guidelines diamonds cuts are classified under 3 basic categories i e.
Even with modern techniques the cutting and polishing of a diamond crystal always results in a dramatic loss of weight.
The size of a diamond may also be a factor.
A brilliant is a diamond or other gemstone cut in a particular form with numerous facets so as to have exceptional brilliance.
And of all the diamond 4cs it is the most complex and technically difficult to analyze.
Rarely is it less than 50.
This graphic illustrates the measured and visually assessed proportions that affect a round brilliant diamond s cut grade.
Due to this facet arrangement brilliant cut stones have more sparkle compared to step and mixed cuts.
The system was the culmination of years of research that included the results of preference testing among a wide variety of groups including trade professionals and consumers.
Each part of a diamond makes its own contribution to the diamond s appearance.
It is the most popular style of faceting for diamonds.
Brilliant cut method of faceting a diamond to take best advantage of the optical properties of the stone and produce a finished gem with the maximum fire and brilliancy.
Brilliant cut step cut and mixed cut.
