- Sep 9, 2004
Hey Cehra.Date: 7/9/2006 8:35:03 PM
Okay... I have another question and I figured I'd just keep it in this thread...
Maybe I missed Diamonds 101A - but is there any structural reason why there cannot be 10 main 'arrows' in a long cut such as an oval? When I look at the pics, the area with most scintillation is the area where the facet points are closer together. It seems like you could reproportion the cut so that you would have in effect, TWO side 'arrows' on each side in addition to the top and bottom 3. If is not structurally sound (I don't know the specifics of carbon cutting) that's one thing... but if it's just that no one has tried it (or maybe they have and someone can show me how it failed?) I'm left wondering - why not? Why is it always in 8s/4s? I saw that gorgeous six sided stone (but have yet to hear back on the details of it)... why not 10? or 12 for that matter! lol
Diamond cutting came from fewer, larger facets. Cardinal Mazarin designed the first cross-cut diamond, which was the beginning of the brilliant style of cutting. In the early 1700s Peruzzi refined the first 58 facet brilliant cut. Old mine cuts were common by the early 18th century and the old European cut was developed later in the 19th century. The shape and size of those old cuts depended entirely on the rough. The development of tools - like the diamond saw - allowed further evolution of the round brilliant by Morse, Tolkowsky, etc., as well as many fancy shapes we have come to know and love. Shapes like the traditional round brilliant, and popular ancestors like the cushion, have endured for generations because they enjoy a balanced facet arrangement that performs in sizes large and small.
To answer your question - In the present there are many cuts blocked in configurations other than the traditional 8 cut. For example, "Solasfera" diamonds are 10-cuts with added facets which are beautiful. Many such cuts exist. You can find a list of proprietary and patended diamond cuts here: http://www.gia.edu/pdfs/cutupdatechart_0405.pdf