Good natural amethyst is not plentiful and is only low in value because about 80%+ of the amethyst floating around is synthetic. Testing to tell the difference between synthetic amethyst and natural is rather expensive, usually more so than the stone being tested, so most just skip it.

Are amethysts worth money?

While the Amethyst is a valuable gemstone, it's also relatively affordable. There's several factors that determine if it is more or less expensive. These determining factors are the 4 C's: color, clarity, carat, and cut.

Does amethyst cost a lot?

Typically with amethyst, the labor that goes into faceting the stone is going to represent the bulk of the price of the cut gemstone. For some price context, faceted amethyst gemstones from India may sell for as little as $2 per carat where some of the material with better color from brazil will sell for $5-10/caret.