{"product_id":"modern-bi-colour-necklace","title":"Modern 9ct White Gold, 28 carat Bi-Colour Amethyst-Citrine (Ametrine) Necklace","description":"\u003cp\u003eSet on a simple 9ct white gold chain, this emerald-cut ametrine weighs an impressive 28 carats! This ametrine is likely from the mines in \u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eBolivia \u003c\/span\u003eand has a wonderful bi-colour of orangey-yellow with purple. \u003cmeta charset=\"utf-8\"\u003e\u003cspan data-mce-fragment=\"1\"\u003eOther names often used for ametrine \u003c\/span\u003e\u003cspan data-mce-fragment=\"1\"\u003einclude “trystine” and “golden amethyst.” Ametrine is a crystalline quartz consists 50\/50 of amethyst and citrine. Amethysts and citrines are the same gemstone, but different temperatures and pressures in the earth cause different colours. Any Amethyst can be heated to turn into a citrine, and turned back into an amethyst via irradiation -  however, ametrines are much harder to find naturally. \u003c\/span\u003eThe emerald cut design for these stones was first popularised in the 1970s and you can see why. It is a great effect. A wonderful statement piece. \u003c\/p\u003e","brand":"Parkin and Gerrish","offers":[{"title":"Default Title","offer_id":39497221963915,"sku":"18L","price":450.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0373\/3428\/6475\/products\/modern-9ct-white-gold-28-carat-bi-colour-amethyst-citrine-ametrine-necklace-972908.jpg?v=1751906229","url":"https:\/\/parkinandgerrish.com\/it\/products\/modern-bi-colour-necklace","provider":"Parkin and Gerrish","version":"1.0","type":"link"}