It is beloved for its unmatched brilliance and beauty and it returns the most amount of light due to its ideal facet pattern.
Round brilliant cut diamonds.
Brilliant cuts were first developed by marcel tolkowsky 1899 1991 who came from a belgian family of diamond cutters and derived the cut from mathematical calculations that maximised the brilliance and dispersion of light.
The round brilliant cut diamond will always be the most popular and classic shape.
Today the majority of the round brilliant cuts graded by gia fit into the top two grades.
The round brilliant is the most brilliant of all diamond cuts.
It resembles a simple circle which makes it extremely versatile.
The round brilliant diamond shape has 57 facets comprising 33 facets on the crown and 25 on the pavilion.
A brilliant cut is defined as one resembling two pyramids placed base to base intended to enhance the gem s sparkle with the least possible sacrifice in carat weight.
The round cut diamond is the most popular shape for engagement rings and it accounts for more than 70 of the world s polished diamond inventory.
Gia s cut scale for unmodified round brilliant cut diamonds includes five grades.
This illustration shows some of the key proportion parameters that impact a round brilliant cut diamond s appearance.
Total depth depth average girdle diameter x 100.
But why are round brilliant cut diamonds so popular.
A brilliant is a diamond or other gemstone cut in a particular form with numerous facets so as to have exceptional brilliance.
The round cut diamond as the most popular diamond shape the round cut diamond represents over two thirds of all diamonds sold.
Round brilliant cut pear oval cut cushion cut emerald princess marquise cut cocktail rings explore diamond engagement rings coloured gemstone rings celebration bands jewellery jewellery pendants earrings pearls.
The round brilliant cut boasts 58 facets including the culet and offers exceptional white light reflection also known as brilliance.
The total depth percentage of a round brilliant diamond is the table to culet depth expressed as a percentage of the average girdle diameter and reported to the nearest tenth of a percent 0 1.
The total depth percentage is a calculated value obtained by the following formula.
The shape resembles that of a cone and provides maximized light return through the top of the diamond.
