Natural Amethyst – 17.21 ct – Intense Purple – ALGT Certified Attractive natural amethyst with an oval mixed cut, displaying a rich intense purple colour and good transparency. The stone has an elegant appearance with lively brilliance, making it suitable for fine jewellery or as a collector’s gemstone. The amethyst has been independently certified by ALGT (Antwerp Laboratory for Gemstone Testing). According to the report, there are no indications of treatment. Gemstone Specifications Gemstone: Amethyst Species: Natural Quartz Shape & Cut: Oval, Mixed Cut Carat Weight: 17.21 ct Measurements: 20.17 × 15.07 × 10.23 mm Colour: Intense Purple Transparency: Transparent Treatment: No indications of treatment Certification Laboratory: ALGT – Antwerp Laboratory for Gemstone Testing Report Number: 88658681 Report Date: 18 January 2026 Certificate included (see photos) Additional Information Stone is loose (not mounted) Photos are part of the description; colour may vary depending on lighting and screen settings The picture in the certificate is not actual size The gemstone will be carefully packed and shipped insured.