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Bruting is the art of cutting a diamond to make the girdle round. In the modern era diamonds are rounded using either a laser, a diamond disk impregnated with diamonds, or spinning two diamonds so they cut against each other. Industrial diamonds can also be used for bruting a diamond round.
Herkimer diamonds are double-terminated quartz crystals discovered within exposed outcrops of dolomite in and around Herkimer County, New York, and the Mohawk River Valley in the US. [ 1 ] [ 2 ] They are not diamonds ; the "diamond" in their name is due to both their clarity and well-formed faces.
Diamonds sold through this process are known as conflict diamonds or blood diamonds. [131] In response to public concerns that their diamond purchases were contributing to war and human rights abuses in central and western Africa, the United Nations, the diamond industry and diamond-trading nations introduced the Kimberley Process in 2002. [142]
It consists of a platinum cast of an 18th-century human skull encrusted with 8,601 flawless diamonds, including a pear-shaped pink diamond located in the forehead that is known as the Skull Star Diamond. [1] The skull's teeth are original, and were purchased by Hirst in London. The artwork is a memento mori, or reminder of the mortality of the ...
Diamond cutters have to contend with working a stone to its best finished form with the least amount of waste. This strategy depends on the quality of the stone and its final proportions. If two diamonds of equal weight are inspected there can be a noticeable difference in size when viewed from above; arguably the most important view.
Stories about the two diamonds have been related, which is especially convenient since the disposition of the Pigot Diamond and the origin of the Spoonmaker's Diamond are both unresolved. In any case, the recorded weight of the Pigot Diamond was just 47.38 carats (9.476 g), [ 6 ] and it is an oval shape, which would exclude the possibility of ...
The Aurora Butterfly of Peace diamond collection is an artwork consisting of 240 natural, fancy colored diamonds weighing a combined total of 167 carats (33.4 g). This butterfly -shaped diamond mosaic was created over a period of twelve years by Alan Bronstein and Harry Rodman.
Lab-grown diamonds of various colors grown by the high-pressure-and-temperature technique. A synthetic diamond or laboratory-grown diamond (LGD), also called a lab-grown diamond, [1] laboratory-created, man-made, artisan-created, artificial, synthetic, or cultured diamond, is a diamond that is produced in a controlled technological process (in contrast to naturally formed diamond, which is ...
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