HPHT Diamonds

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Asscher Cut

Asscher Cut

The Asscher cut is a unique shape with prismatic brilliance and a rectangular-faceted pavilion in the same style as the emerald cut.The standard number of main facets on an Asscher cut is usually 58 and the typical ratio for the more popular square-shaped Asscher cuts is 1.00 to 1.05.

Cushion Cut

Cushion Cut

Because of its extra facets, the Cushion cut can disperse more light through the stone which serves to hide inclusions more efficiently, making it one of the most brilliant of all square- and rectangular-shaped stones.

Emerald Cut

Emerald Cut

Because of its large open facets, higher clarity grades (VS2 and above for IGI and VS1 and above for GIA, to ensure it is completely eye clean) are usually recommended for emerald cut diamonds.

Heart Cut

Heart Cut

The most important elements to consider with the heart shape are the quality of the curved cut and finish as these determine the sparkle of the gem.

Marquise Cut

Marquise Cut

The Marquise cut can maximize carat weight, making it appear larger than other stones of the same size and is often set with round or pear-shaped side-stones. As with other elongated shapes, the Marquise can make fingers appear longer and more slender.

Oval Cut

Oval Cut

Ratio is an important aspect to consider with the oval shape as it can have a significant impact on both the light dispersion within the stone and the appearance of the finger. When selecting an oval shape it is important to reconcile the relative benefits of the longer shape (larger ratio) and the more rounded shape (smaller ratio). The former will better elongate the finger, while a more rounded shape will better prevent the bow-tie effect.

Pear Cut

Pear Cut

The optimal pear shape is one with a polished girdle and a rounded base, or “even shoulders”. However, much like the oval cut, a more attenuated pear shape may elongate the fingers, so it is important to reconcile these two qualities. Additionally, colour is often more visible towards the tip of the pear shape, so to ensure an even tone throughout the stone it is advisable to opt for colours H and above.

Princess Cut

Princess Cut

Because of its extra facets, the Princess cut can disperse more light through the stone, this serves to hide inclusions more efficiently, making it the most brilliant of all square- and rectangular-shaped stones. It is also a popular cut for wedding bands because the stones can be arranged side by side without any gaps, making it ideal for an eternity band too. Furthermore, due to its sharply squared corners, the Princess is an ideal cut for long fingers.

Radiant Cut

Radiant Cut

Because of its extra facets, the Radiant cut can disperse more light through the stone making it one of the most brilliant of all square- and rectangular-shaped stones. It also hides inclusions more efficiently than other shapes. As it is a hybrid cut combining the features of both brilliant and step-cuts, the Radiant is the ideal compromise and the perfect solution for someone who wants to “have it all.”

Round Brilliant Cut

Round Brilliant Cut

The round brilliant is the most versatile of all cuts both in terms of style and value. With more fire and brilliance than any other shape, this cut offers the ideal balance between cut, colour and clarity grades and budget.