Quadrillion Cut Diamonds Shape

The Quadrillion cut is a registered trademark of Ambar Diamonds Inc. It is an ideal square-shaped diamond with 49 facets and sharp corners. Unlike a round brilliant, the Quadrillion's lower-pavilion facets widen toward the culet, rather than narrowing; the narrowing on a Quadrillion is toward the corners, creating a star effect in the middle of the diamond. The cut's brilliant-style faceting minimizes light leakage and allows for a maximum amount of light to be reflected from the pavilion.

The cut was developed in the late 1970s by Israel Itzkowitz and Betzalel Ambar as a result of three years of optical research on light reflection and brilliancy in diamond cutting. The name was trademarked in the early 1980s but the cut was not patented because the company did not want to divulge its faceting secrets.

Quadrillion is always cut in ideal proportions to maximize brilliancy. It is not cut for weight retention, as many princesses are. Therefore, a princess will always look slightly smaller than a Quadrillion of the same carat weight. For example, a 0.90 carat Quadrillion is equal in circumference to a one carat princess.

Every Quadrillion ring is stamped "Quad" on the shank and/or is accompanied by a certificate of authenticity and a warranty against manufacturer's defects. Other Quadrillion jewelry types are also stamped if space allows for it. These pieces are also accompanied by the certificate of authenticity and warranty.

There are very few Quadrillion diamonds available on the wholesale market at any one time so the selection is somewhat limited. If you are seeking a gorgeous Quadrillion diamond, give us a call today and we will find the best options currently available that meet your requirements.