Natural amethyst is a semi-precious stone from the quartz family, prized for its intense violet colour. This amethyst has an oval shape with checkerboard facets, giving it a brilliant and refined appearance. Its size is 16.00x11.80-16.10x12.00 mm, and its weight ranges from 7.30 to 7.85 carats. Its clarity is excellent, with no inclusions visible to the naked eye. This amethyst has not been subjected to any heat or chemical treatment, thus preserving its natural colour and properties. Its origin is Brazil, a country known for the quality and diversity of its gemstones.