{"product_id":"alexandrite-1-56ct-oval-aig","title":"Natural Alexandrite Chrysoberyl 1.56 ct – Oval Cut, Unheated, AIG Certified","description":"\u003cp data-start=\"112\" data-end=\"620\"\u003eThis natural alexandrite chrysoberyl weighs 1.56 carats and displays a remarkable color-change effect, shifting from greenish yellow in daylight to purple under incandescent light. The gemstone is expertly fashioned in an elegant oval faceted cut measuring 7.91 × 5.87 × 4.26 mm, enhancing both its brilliance and the visibility of its rare optical transformation. Alexandrite is one of the world’s most sought-after collector gemstones due to its exceptional rarity and dramatic color-changing properties.\u003c\/p\u003e\n\u003cp data-start=\"622\" data-end=\"1140\"\u003eOriginating from Sri Lanka (Ceylon), a historically prestigious source of fine gemstones, this alexandrite remains completely untreated, with no indication of heat treatment, preserving its authentic natural beauty and rarity. Chrysoberyl alexandrite is highly prized among collectors because natural color-change stones of this quality are exceptionally uncommon. The gemstone is accompanied by an independent AIG laboratory certificate confirming its natural origin, authenticity, and color-change characteristics.\u003c\/p\u003e\n\u003cp data-start=\"1142\" data-end=\"1320\"\u003eIts rare optical phenomenon, elegant oval cut, and certified untreated status make this alexandrite an exceptional gemstone for collectors and bespoke high-end jewelry creations.\u003c\/p\u003e","brand":"SOSNA Gems \u0026 Jewellery","offers":[{"title":"Default Title","offer_id":51807696781576,"sku":"ALX-0001-AIG","price":53441.0,"currency_code":"CZK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0648\/8398\/2600\/files\/alexandrite-156-ct-rare-color-change-oval-cut-aig-certified-3834283.jpg?v=1764729675","url":"https:\/\/sosnagems.com\/cs\/products\/alexandrite-1-56ct-oval-aig","provider":"SOSNA Gems","version":"1.0","type":"link"}