What does girdle mean on a diamond?
What does girdle mean on a diamond?
The girdle is the outer edge of the diamond, where the crown (top) meets the pavilion (bottom).
What does girdle mean on ring?
The ‘Girdle’ of a Diamond describes the outer edge and division between the Crown and Pavilion of a polished Diamond. The diameter of a Diamond can be found by measuring opposite sides of a Diamond girdle using a Leveridge gauge, or calliper gauge. Under the microscope, the girdle of a Diamond can vary in appearance.
What should the girdle be on a diamond?
The ideal girdle for round diamonds The ideal range for a girdle is Medium – Slightly Thick in round cut diamonds. These diamonds are perfectly cut and proportionate. The diamond sparkle is not affected. In fancy shapes, it is Thin – Thick.
What does a thick girdle do to a diamond?
A diamond with an extremely thick girdle will have great brilliance and fire, as long as it is cut to ideal proportions. However, an extremely thick girdle concentrates the diamond’s weight in the middle, causing it to look smaller from the top than a diamond of a similar weight with a thinner girdle.
How thick should the girdle be on a diamond?
The girdle descriptions are relative to the size of the stone (i.e. diameter). In other words, a measured thickness of 0.31mm may result in a “Very Thick” rating for a 1/2-carat round diamond. However, a measured thickness of 0.31mm will result in a “Thin-Medium” rating on a 5-carat diamond.
Is a faceted girdle good or bad?
Basically, a series of very small facets are made around the entire circumference and this faceting process removes tiny feathers caused during the bruting process. One advantage with a faceted girdle is that it blends in well with the rest of the diamond when light reflects on it.
What is the ideal girdle for a princess cut diamond?
Princess Cut Diamond – Cut Guide
| EXCELLENT | GOOD | |
|---|---|---|
| Table % | 67 – 72 | 56 – 58 or 76 – 82 |
| Depth % | 64 – 75 | 58 – 63.9 or 75.1 – 80 |
| Girdle | Very Thin – Slightly Thick | Very Thin to Thick |
| Culet | None | Small |
Is an extremely thick girdle bad?
An extremely thick girdle causes excessive weight retention which is hidden from sight after mounting. This is also one of the reasons why 2 stones with similar carat weight can face up completely different and have stark physical dimensions from each other.
Is a thick girdle bad?
In most cases, girdle thickness won’t affect your diamond buying decision. Any grade from “Very Thin” to “Very Thick” can give you a beautiful, durable diamond. However, avoid any diamonds with “Extremely Thin” girdles and examine diamonds with “Extremely Thick” girdles very carefully.
How important is girdle in oval diamond?
Both the average girdle thickness percentage and the minimum/maximum verbal descriptions are important elements in the GIA Cut Grading System. A thick girdle can contribute toward a heavier diamond than its face-up appearance warrants, and a thin girdle can increase the risk of damage such as chipping.
What is a diamond girdle?
When a diamond is certified, it is measured at various points along the girdle to determine its thickest and thinnest points. If both points fall into the same category, a single rating is given. However, the girdle is most often rated as a range, such as ‘Very Thin to Thick’, to accommodate the variance between the thickest and thinnest points.
Are “extremely thick” girdles bad for diamond engagement rings?
On the other hand, an “Extremely Thick” girdle isn’t always cause for concern. If you’re looking at a diamond with great performance and an “Extremely Thick” girdle, it would still make a great diamond engagement ring. However, “Extremely Thick” girdles can often cause poor performance in a diamond.
Does a faceted girdle increase the price of a diamond?
Though it does provide this stronger light performance, you generally won’t see a price increase as a result of a faceted girdle versus polished or unpolished. A polished girdle is a continuous facet that lines the circumference of the diamond.
