Design and analysis software
GemCad for Windows
Computer-aided design software for faceted gemstones that simulates a faceting machine and produces cutting diagrams.
The record
Kind of equipmentDesign and analysis software
PlatformWindows
Price, as listedThe site states GemCad is now free; a registration key is obtained through the vendor's activation page.
StatusTrading
What it makes
Named as the maker names them on its own site. Specifications and availability change; confirm with the maker before ordering.
GemCad for WindowsGemCad Classic
Worth knowing
Written by Robert W. Strickland. The stated requirement is Windows 95 or later and the newest dated material on the site is from 2011 to 2012, so the program is distributed rather than actively developed. It remains the format that most published faceting diagrams are exchanged in.
Compiled from gemcad.com, read on August 16, 2026.
We record what makers publish about themselves. We have not tested this equipment, we take no commission on it, and a listing here is not a recommendation to buy.