{"product_id":"natural-amethyst-400ct-large-oval-cut-collector-s-gemstone","title":"Natural Amethyst 400ct Large Oval-Cut Collector’s Gemstone","description":"\u003cp\u003eAn exceptional \u003cstrong\u003e400-carat natural amethyst\u003c\/strong\u003e, displaying a rich deep-purple colour in an impressive oversized oval faceted cut. The extraordinary size gives this gemstone serious presence, making it ideal for a gemstone collection, luxury display, or a truly bespoke statement jewellery project.\u003c\/p\u003e\n\u003cp\u003eThe stone features extensive faceting designed to reveal flashes of violet and purple as it moves under different lighting.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Amethyst\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 400ct\u003cbr\u003e\u003cstrong\u003eCut:\u003c\/strong\u003e Oval Faceted\u003cbr\u003e\u003cstrong\u003eColour:\u003c\/strong\u003e Deep Purple\u003cbr\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e Loose Gemstone\u003c\/p\u003e","brand":"Prestige Stones","offers":[{"title":"Default Title","offer_id":62823425212746,"sku":null,"price":4000.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0900\/8513\/0570\/files\/ChatGPTImageJul28_2026_05_19_58PM.png?v=1785255661","url":"https:\/\/prestigegemstones.com\/zh-hans\/products\/natural-amethyst-400ct-large-oval-cut-collector-s-gemstone","provider":"Prestige Stones","version":"1.0","type":"link"}