A cabochon is a gemstone that has been shaped and polished, as opposed to faceted. The resulting form is usually a convex obverse with a flat reverse. Cabochon was the default method of preparing gemstones before gemstone cutting was developed.

What does cabochon stone mean?

Cabochon cut, method of cutting gemstones with a convex, rounded surface that is polished but unfaceted. Opaque, asteriated, iridescent, opalescent, or chatoyant stones are usually cut en cabochon. The back of a normal cabochon-cut stone is flat, but it may be hollowed to lighten the colour.

What does cabochon look like?

A cabochon (/ˈkæbəˌʃɒn/, from Middle French caboche "head") is a gemstone which has been shaped and polished as opposed to faceted. The resulting form is usually a convex (rounded) obverse with a flat reverse.