Diamond Square
Posted in Jewellery on 04/25/2007 04:53 am by admin
Diamonds: Asscher Cut Diamonds
Asscher Cut Diamonds are nearly identical to emerald cut diamonds and they are often reffered to as a square emerald cut. Joseph Asscher an eminent diamond cutter, who cut the 3,106 carat Cullinan diamond, developed and patented the Asscher cut diamond in 1902. The Asscher cut is a squarish step cut with an almost octagonal outline. Asscher cut diamonds have a distinctive windmill reflection and wide cut corners that are characterized by concentric square patterns.The Asscher cut diamond has a small table, a high crown, wide step facets, a deep pavilion and square culet.
An Asscher cut diamond is cut with a series of many parallel steps, creating a hall-of-mirrors effect when looking deeply into the stone. These steps create more internal refraction and diamond fire than typical step cut stones, such as the elongated Emerald cut. Because of its high crown and small table, the Asscher cut diamond has more light and fire than an Emerald cut diamond.
The Asscher cut diamond became very popular in Art Deco jewellery and was a forerunner of the emerald cut. Since an Asscher cut diamond produces more fire than you see in a typical step cut diamond it has become extremely popular especially with many Hollywood stars and celebrities.
If you choose a SI-clarity graded Asscher cut diamond be sure to view the clarity plot on the diamond certificate, because this shape can highlight the clarity of the diamond. When choosing an Asscher cut diamond consider the colour grade, for colours below J-colour, in various fancy-shaped diamonds the colour may be slightly visible in its corners.
The optimum shape for an Asscher cut diamond has a Length to Width ratio of 1:1, acceptable length to width ratios can be 1.00 – 1.40 : 1 depending on the shape of the Asscher cut you desire, noting that the greater length to width ratio the more rectangular the Asscher cut diamond will become.
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Diamond Imports – Asscher Cut Diamonds & Certified Diamonds.
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