{"product_id":"4-65ct-natural-alexandrite-unheated-colour-change-certified-gemstone","title":"4.65ct Natural Alexandrite – Unheated Colour Change Certified Gemstone","description":"\u003cp data-start=\"565\" data-end=\"732\"\u003eThis remarkable \u003cstrong data-start=\"581\" data-end=\"611\"\u003e4.65ct Natural Alexandrite\u003c\/strong\u003e showcases the rare and captivating colour-change phenomenon that defines one of the world’s most sought-after gemstones.\u003c\/p\u003e\n\u003cp data-start=\"734\" data-end=\"1007\"\u003eIn daylight, the gemstone displays a \u003cstrong data-start=\"771\" data-end=\"794\"\u003eyellowish-green hue\u003c\/strong\u003e, while under incandescent lighting it shifts to \u003cstrong data-start=\"843\" data-end=\"865\"\u003ebrownish-red tones\u003c\/strong\u003e, creating a distinctive and natural colour transformation. This optical effect is highly prized, especially in gemstones of significant size.\u003c\/p\u003e\n\u003cp data-start=\"1009\" data-end=\"1269\"\u003eFormed from the mineral \u003cstrong data-start=\"1033\" data-end=\"1048\"\u003echrysoberyl\u003c\/strong\u003e, alexandrite is exceptionally rare—particularly in sizes approaching \u003cstrong data-start=\"1118\" data-end=\"1130\"\u003e5 carats\u003c\/strong\u003e. This \u003cstrong data-start=\"1137\" data-end=\"1160\"\u003e4.65-carat gemstone\u003c\/strong\u003e offers both rarity and strong visual presence, making it highly desirable for collectors and high jewellery.\u003c\/p\u003e\n\u003cp data-start=\"1271\" data-end=\"1469\"\u003eThis gemstone is \u003cstrong data-start=\"1288\" data-end=\"1325\"\u003ecompletely unheated and untreated\u003c\/strong\u003e, preserving its natural colour-change properties. Certified by \u003cstrong data-start=\"1389\" data-end=\"1410\"\u003eBerygeryn Gem Lab\u003c\/strong\u003e, it provides assurance of authenticity and natural origin.\u003c\/p\u003e\n\u003cp data-start=\"1471\" data-end=\"1620\"\u003eIdeal for \u003cstrong data-start=\"1481\" data-end=\"1551\"\u003ebespoke engagement rings, statement jewellery, or collector pieces\u003c\/strong\u003e, this alexandrite represents a truly unique and timeless investment.\u003c\/p\u003e\n\u003cp data-start=\"1622\" data-end=\"1781\"\u003eAt \u003cstrong data-start=\"1625\" data-end=\"1641\"\u003eSkyGem \u0026amp; Co.\u003c\/strong\u003e, this gemstone can be custom set into \u003cstrong data-start=\"1680\" data-end=\"1739\"\u003e18k Yellow Gold, White Gold, Rose Gold, or Platinum 950\u003c\/strong\u003e, creating a one-of-a-kind heirloom piece.\u003c\/p\u003e","brand":"Skygem \u0026 Co.","offers":[{"title":"Default Title","offer_id":51678137221416,"sku":null,"price":72000.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0886\/7895\/7352\/files\/4.65ct_natural_Alexandrite.png?v=1775868390","url":"https:\/\/skygem.com.au\/products\/4-65ct-natural-alexandrite-unheated-colour-change-certified-gemstone","provider":"SkyGem \u0026 Co.","version":"1.0","type":"link"}