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Emerald Origin Date Uncut size Cut size Location Ref Chipembele emerald Zambia 2021 7,525 carats (1,505.0 g) Israel Diamond Exchange, Eshed – Gemstar [14] [15] [16] Inkalamu emerald Zambia 2018 5,655 carats (1,131.0 g) Private Collector [17] Insofu emerald Zambia 2010 6,255 carats (1,251.0 g) Jewellery brand [18] Bahia Emerald: Brazil 2001
The diamond cut planning stage is a complex process that requires the cutter to work with unique rough stones. Very often, the location of the inclusions in a rough stone will determine the type of shape to which a diamond may be cut. For economic reasons, most diamonds are cut to retain weight instead of maximizing brilliance. [2]
Emerald is regarded as the traditional birthstone for May as well as the traditional gemstone for the astrological sign of Taurus. [38] [need quotation to verify] Traditional alchemical lore ascribes several uses and characteristics to emeralds: The virtue of the Emerald is to counteract poison.
Generally, a prong setting is formed of a number of short, thin strips of metal, called prongs, which are arranged in a shape and size to hold the given stone, and are fixed at the base. Then a burr of the proper size is used to cut what is known as a "bearing", which is a notch that corresponds to the angles of the stone. The burr most often ...
This cut's design can be considered the opposite of the hearts and arrows, as it eliminates the arrows in order to capture a different light return from the center of the diamond. The cut splits the eight pavilion mains and increases the specifically-placed total facets from 57 to 81. The cut was designed to enhance brilliance and mask inclusions.
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