You can learn more about fantasy cuts here.
The first part of the fantasy cutting process is to cut a finished stone. The second part is to carve it. Typically, freeforms are used. Although the stone is a freeform, the techniques are the same as faceting any other stone.
Cutting A Fantasy Gemstone Pavilion
Start with the pavilion.
Step 1
Determine where the table will be placed and grind a flat for dopping as shown below.
Step 2
Dop the stone as shown here. I used a gel-type super glue with accelerator.
Step 3
Establish the shape of the finished stone by cutting a series of girdle facets at 90º to give you the outline. Be sure to write down the indexes used: 96 21 27 72.
It’s nice to note that most fantasy gemstones are freeforms. This allows you to use all your rough and maximize yield. In this case, I used a 96-index gear. For demonstration purposes, I used both standard flat facets and a curved facet. The curve was cut by freewheeling the index gear and grinding it to a pleasantly shaped curve.
For your first attempt, stick to all flats. (Curves are…
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