A trilliant is a triangular cut gemstone. It has 25 facets on the crown and 19 facets on the pavilion. A well-cut Trillion with great fire and brilliance can also hide the inclusions and blemishes. Compared with other cuts of the same carat, this cut gives a wider look. Most common colours used in trillion are F, G, H with purity SI1, SI2. The ideal depth of this cut is 32% -48%.It's ideally of 1:1 ratio.