{"product_id":"lab-alexandrite-square-cut","title":"Lab alexandrite square cut","description":"\u003cp dir=\"auto\"\u003eA striking 8.1 carat lab-grown alexandrite featuring a clean square (rectangular) cut measuring 12.64 × 9.14 mm. This rare color-change gem shifts dramatically from vibrant green in daylight to rich reddish-purple under incandescent light — the signature magic that makes alexandrite so captivating.\u003c\/p\u003e\n\u003cp dir=\"auto\"\u003ePrecisely cut for maximum brilliance and fire, this lab-created stone offers the legendary beauty and color-shifting phenomenon of natural alexandrite at a fraction of the cost. Ethically produced and expertly finished in Las Vegas, it's an excellent choice for custom jewelry or as a standout addition to any collection.\u003c\/p\u003e","brand":"Optical Gains","offers":[{"title":"Default Title","offer_id":42351149776971,"sku":null,"price":650.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/9620\/2827\/files\/PSX_20260416_185237_9d28a006-9fd4-4769-91cd-ee0487e3f21e.jpg?v=1776394787","url":"https:\/\/opticalgains.com\/products\/lab-alexandrite-square-cut","provider":"Optical Gains","version":"1.0","type":"link"}