Is amethyst a good stone for a child's ring?

Amethyst is a quartz with a hardness of 7 on the Mohs scale, so it resists everyday wear but can chip if struck hard. For a child, it is best kept for occasional wear rather than rough play.

What size is the stone?

The amethyst is a 3mm round stone weighing about 0.1 carat total weight. That is a small, subtle stone suited to a child's finger.

Is the gold solid or plated?

It is 10K yellow gold, a solid gold alloy, not gold plating over another metal. 10K is the lowest common gold purity, so it is durable but less yellow than 14K or 18K.

How should I care for it?

Wipe it with a soft cloth and keep it away from harsh chemicals and swimming pools. Store it separately so the amethyst does not get scratched by harder jewelry.

Is it a good gift for a February birthday?

Yes. Amethyst is the February birthstone, and a single-stone ring is a common way to mark a birthday. It also works as a birthstone gift for a child born in any month if purple is the color you want.