Diamond facets facets in a round brilliant cut diamond while the diamond facets count is standard and universally agreed the actual proportions crown height and angle pavilion depth pavilion angle and table size have different versions.
Diamond cut 102 facets.
As diamond cuts evolved into today s 57 or 58 facet round brilliants styles progressed through many stages.
The pear cut diamond usually features 58 facets and it has a ratio of 1 50 to 1 70.
The term cut is often used to talk about the shape of a diamond such as round brilliant cut or princess cut.
Very small 0 02 carats 4 mg diamonds known as melée are usually given simplified cuts i e with fewer facets this is because a full cut brilliant of such small size would appear milky to the human eye owing to its inability to resolve the stone s dispersive fire conversely very large diamonds are usually given fancy cuts with many.
Sure you have to cut a diamond to make it a shape but when gemologists say cut they are talking about a diamond s proportions such as its depth and width and the uniformity of its facets.
You see the thing with additional facets is they tend to make diamonds perform better under certain lighting conditions e g.
These characteristics control brilliance durability and other features we look for in a diamond which is why cut is one.
Face up view of the celebration 102 diamond with a messy looking appearance.
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.
Did you know that the term diamond cut does not refer to the gemstone s shape.
So let s first briefly go over the 10 most popular diamond shapes.
By 1750 when the brilliant cut had developed into a style with a circular face up outline it had passed through many variations in facet size and proportions.
Well these are not the common.
The elongated shape of a pear cut diamond creates a slenderizing effect on a finger and makes a wearer s hands more elegant.
But shape refers to the form of the diamond while cut refers to how the diamond s proportions reflect light.
Each shape also has its own unique shine and affects how sparkly the diamond is.
If the stone has an excellent cut along with excellent polish and excellent symmetry it will dazzle with massive beauty and light like no other stone.
And of all the diamond 4cs it is the most complex and technically difficult to analyze.
The size of a diamond may also be a factor.
Now that you understand brilliant cut let s talk about brilliance with extra facets.