USA based Automated Precision Cut Gemstones.

Americut Gems is the only commercial robotic assisted precision gem cutting factory in the USA.  We supply an all american product from mine to market and are the only supplier for hearts and arrows calibrated precision cut gemstones in all sizes. Email us for current availability of stones not listed here.

Kiwon Jang

Master gemstone cutter/designer Kiwon Jang of KLM Technology


For over 40 years Kiwon Jang has been a leading gemstone designer and cutter in the USA .  He has been AGTA spectrum awards judge as well as received numerous spectrum awards for his hand cut gemstones.

Most recently, Kiwon has been the CEO of KLM Technologies Inc. He developed the  Jang 801, 1024, and 1440 automatic gemstone cutting machines which have been sold and distributed throughout the world over the last decade.  He owned and operated a gemstone cutting and repair factory in midtown Manhattan for over 25 years.   more