Eight Cut & Swiss Cut
The "eight cut" is primarily used for small stones when a brilliant cut would be impractical.
Eight cut: See single cut.
Electron-bombarded diamond: A diamond whose color has been changed to blue by bombarding it with electrons in a Van de Graff generator. Gamma-ray radiation has also been used to produce blue colors.
Eight Cut
This has 8 facets on the upper and lower parts as well, plus the table. It is used for small stones.
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Eight Cut
A type of cut used for small gemstones, with 8 facets on both the upper and lower parts as well as the table ...
Eight Cut
Also called "single cut". Diamonds, usually small, with only 18 facets instead of the full 58 on a brilliant cut.
Eights ...
That's a lot of Single Cuts. Single Cuts are also referred to as Melee Diamonds, 8/8, Eight Cut or even Accent Stones and Side Stones.
Single Cut Confusingly, another name for eight cut diamonds, with 18 facets.
Page 185 -- GEMSTONES OF THE WORLD by Walter Schumann published by Sterling Publishing Company, Inc. -crystals in matrix and eight cut gems.
The 14th century marked the start of European diamond cutting novelties that yielded shapes which, while being the predecessors of today's cuts, are unknown to the modern day diamond consumer: The Point Cut, Old Eight Cut, Pendeloque, Briolette, ...
 See also: Rough, Facet, Cut, Stone, Table
  
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