Diamond Shapes and Cuts

My Girl™ Diamond

My Girl Diamond exclusive to Shimansky Jewellers
The My Girl™ diamond is the essence of romance and beauty. It’s a symbol of undying love and devotion. This original, eight sided, square cut diamond was developed by Yair Shimansky after more than three years of research and carries an international patent for its cut and design. The essence of the My Girl™ diamond is its ability to reflect light from any angle unlike most diamond cuts that only reflect light from the top. A diamond is one of the rarest gems, and what makes the My Girl™ unique is that it can only be polished from a ‘crystal’ shaped rough diamond, which in its natural form resembles two joined pyramids. Catching light with every movement the My Girl™ has a diamond-shaped table facet that reflects brilliance from every angle, delivering the perfect balance of brilliance, fire and scintillation. The My Girl™ diamond, exclusive to Shimansky, inspires a feeling of everlasting love.

Eight Hearts™ Diamond

Eight Hearts Diamond exclusive to Shimansky
Taking three times longer to polish, and shaped by only one in a thousand diamond polishers, the Shimansky Eight Hearts™ diamond displays a perfect eight heart pattern when viewed from the bottom and a perfect eight arrow star when viewed from the top. The attention to detail and superior craftsmanship that this diamond cut demands results in perfect proportion and symmetry that reflects fire, brilliance and scintillation at their best. The Eight Hearts™ diamond, has three distinguishing factors: perfection in polish, symmetry, and proportion, which according to a GIA study of over 60,000 diamonds, less than 3% could satisfy ideal proportions. This Super Ideal Cut Diamond is designed to maximise the potential of the rough diamond. The Eight Hearts™ diamond is exclusive to Shimansky.

Brilliant 10™ Diamond

Brilliant 10 Diamond exclusive to Shimansky Jewellers
Born from a dream to create the world’s most brilliant diamond cut, the Brilliant 10™ features 71 facets precisely aligned for the ultimate display of fire, brilliance and scintillation. Cascading light with an intensity second to none, each facet is shaped in a precise and calculated technique to reveal a perfect ten hearts pattern when viewed from below and a perfect ten arrows pattern when viewed from above through the Ideal Scope. This is your ultimate guarantee that the Brilliant 10™ diamond has been cut for perfect symmetry and proportion; visible evidence that it is in a class of its own. In the constant pursuit for perfection, the Brilliant 10™ diamond cut is the result of years of research into the exact science of light behaviour and optic dispersion and was developed by Yair Shimansky. Tested in leading international gemological laboratories, the Brilliant 10™ scored up to 25% more brilliance when compared to a round brilliant cut diamond. Taking up to three times longer to cut, and polished only by a handful of skilled master diamond polishers, the essence of this patented cut is its ability to reflect light that enters the diamond back through the table with little to no light leakage – a world first in the diamond industry. The Brilliant 10™ is the perfect choice for the diamond connoisseur and is exclusive to Shimansky.


Round Brilliant Cut Diamond
The round brilliant cut is conventionally the most popular shape of all diamond cuts and has set the standard. Polished with 57 facets its ideal proportions return a great amount of fire, brilliance and scintillation. This cut has also been the benchmark for theories of light behavior and precise mathematical calculations, all in the pursuit of perfection.


Princess Cut Diamond
Square in shape and with pointed corners, the princess cut is the most popular shape of the fancy cut diamonds. Its beautiful brilliance and square shape makes it a favourite for engagement rings. Princess Cut diamonds are generally polished with either 50 facets or 58 facets, depending on how the pavilion is cut. The Princess Cut, technically known as a ‘Square Modified Brilliant Cut’, is a square version of the Round Brilliant Cut with numerous sparkling facets. The optimal ratio of length to width is 1:1, although a length-to-width ratio between 1:1 and 1.4:1 is perfectly acceptable.


Radiant Cut Diamond
This square or rectangular cut features trimmed corners and combines the elegance of the emerald shape diamond with the brilliance of the round. Radiant Cut Diamonds have 70 facets in total, and the overall shape can vary in their degree of rectangularity. A Radiant cut diamond is technically known as a ‘cut-cornered, rectangle (or square) modified brilliant’. Generally if you are looking for a square cut, a Radiant Shape’s length to width ratio is approximately 1.0 to 1.1:1. For a more rectangular shape, look for a ratio 1.11 to 1.5:1.


Emerald Cut Diamond
The Emerald cut is an elegant diamond shape characterised by its step-like facets, rectangular shape and trimmed corners. Due to its larger, open table, this shape is often reserved for top colour and clarity diamonds. The Emerald cut is typically polished with 44 facets. Generally, the optimum length-to-width ratio for an emerald cut diamond should be 1.35-1.65:1, although 1.25:1 to 1.75:1 is also considered to be acceptable.


Asscher Cut Diamond
The Asscher cut is a unique diamond cut, similar to an Emerald Cut diamond with step-like facets with trimmed corners, but square in shape. The Asscher cut was developed in 1902 by Joseph Asscher and was inspired by the table cuts of the Renaissance. The most famous Asscher cut is the Cullinan diamond. An Asscher cut diamond is technically known as a ‘square emerald cut’. The ideal length to width ratio is between 1.00 and 1.05:1.


Oval Cut Diamond
An oval diamond is an elongated version of the round brilliant. If well proportioned, this beautiful cut gives great brilliance, fire and scintillation. Oval diamonds are also very popular as their length can accentuate long, slender fingers. Oval cut diamonds are generally polished with 56 facets. The Oval shape has a larger surface area, than a round brilliant of the same carat weight, and is an excellent choice for those more concerned with size. The ideal length-to-width ratio is 1.5:1, but a range from 1.33:1 to 1.66:1 is widely acceptable.


Marquise Cut Diamond
The Marquise has a slender shape characterised by two sharp points on either end. Like the Oval, the Marquise accentuates long, slender fingers and has a large surface area. The standard number of facets on a Marquise cut is 58. The Marquise Cut was inspired by the fetching smile of the Marquise de Pompadour and commissioned by King Louis XIV, who wanted a diamond to match the smile. The optimal ratio of length-to-width is 2:1, although a range between 1.75 and 2.25:1 is also acceptable.


Pear Shape Diamond
The Pear shape is a unique hybrid cut, shaped like a tear drop and combining the best of the marquise and round brilliant cut. Well proportioned, it gives a depth of scintillation to the point of the diamond. Pear shapes are extremely popular in rings, earrings and pendants. Pear shapes are typically polished with 58 facets, and the optimal length-to-width ratio is between 1.50 and 1.75:1.


Cushion Cut Diamond
The shape of the Cushion cut is characteristed by soft edges and round corners, resmebling a cushion or pillow. This type of cut has been popular since the first diamond cuts were developed. Cushion cut diamonds range from a more square shape to rectangular. If you prefer the squarer shape, look for a length-to-width ratio of 1.05 to 1.10:1. For a more rectangular shape, look for length-to-width ratios of greater than 1.15:1.


Criss Cut Diamond
The Criss cut is a relatively new diamond shape. Like the Emerald cut, the Criss Cut is elongated in shape with trimmed corners but unique in that the step-like facets cross each other in a criss-cross fashion. Polished with 77 facets, the Criss Cut diamond can either be rectangular or octagonal in shape.


Heart Shape Diamond
Truly romantic the Heart shape diamond is a modified brilliant cut. It takes skill and expertise to achieve perfect balance in this sentimental cut. The standard number of facets polished in a Heart shape diamond is 59.The ideal length-to-width ratio is approximately 0.9 to 1.2:1.