Cut Gemstone

Cut gemstones from rough material using cabochon and faceting techniques, including rough assessment, orientation planning, dopping, grinding, and faceting geometry.

When to Use

• You have rough gemstone material and want to cut it into a finished cabochon or faceted stone
• You need to plan cutting orientation for optimal colour, yield, or optical phenomena
• You are setting up a cabbing machine or faceting machine for the first time
• You want to understand crown and pavilion angles for standard brilliant cuts
• You need to select the appropriate cutting approach for a given material

Inputs

• Required: Rough gemstone material (identified species — see identify-gemstone)
• Required: Cutting approach decision: cabochon or faceting
• Required: Target shape and approximate size
• Optional: Trim saw with diamond blade
• Optional: Cabbing machine with 80/220/600/1200/3000 grit wheels (for cabochons)