My collection

Concave faceting
I facet for best brilliance.

Concave faceting technique
Amethyst 15.73ct concave cut	Tanzanite 4.10ct concave cut	Amethyst 6.16ct concave cut	Aquamarine 5.58ct concave cut
Tanzanite 5.02ct concave cut
Amethyst 7.00ct concave cut Take faceting one step further with the concave faceting technique.	Citrine 9.85ct concave cut Multi-axis precision and repeatability – at your control – enabling a true lapidary art.	The ultimate in inovative faceting with the ULTRA TEC FANTASY MACHINE ...your imagination and your creativity is unlimited.	You can generate forms of impressive intricacy -- or works of intriguing simplicity -- bringing you the satisfaction of artistic accomplishment. This system is for the experienced faceter who wants to move on to the challenge of fantasy designs.
Noreen Masaki concave faceting	Citrine 15.57ct concave cut	Rock crystal 5.72ct concave cut
befor re-cutting & after re-cutting Tourmaline 5.70ct Tourmaline 3.90ct concave cut with a large backside table to lighten up the stone.
befor re-cutting & after re-cutting Emerald 2.62ct Emerald 2.44ct Step cut concave cut
befor re-cutting & after re-cutting Tourmaline 5.40ct Tourmaline 4.70ct Step cut concave cut
befor re-cutting & after re-cutting Emerald 2.19ct Emerald 2.05ct Step cut concave cut
befor re-cutting & after re-cutting Topaz 61.93 ct Topaz 56.14 ct Step cut concave cut
befor re-cutting & after re-cutting Citrine 15.75ct Citrine 15.57ct concave cut