{"product_id":"bls112-color-change-lab-grown-alexandrite","title":"12 × 6 mm Color-Change Lab-Grown Alexandrite, Dutch Marquise","description":"\u003cp\u003eIndividually faceted in our Bangkok gemstone-cutting facility, this approximately 12 × 6 mm Czochralski-pulled lab-grown alexandrite with a color-change response is cut in our Dutch marquise design with an elongated-hexagon outline. Representative BLS112 stones show greenish-blue and red-purple or purple-red appearances; the balance and strength of the color change vary by stone and light source.\u003c\/p\u003e\n\u003cp\u003eThis is a repeat-production product. The supplied stone will be made from the same specified Czochralski-grown lab-grown alexandrite material and follow the same shape and cutting style, but it may differ slightly from the representative photographs and video. Each order includes one loose lab-grown alexandrite with its own corresponding GFCO Gem Lab report.\u003c\/p\u003e\n\u003ch2\u003eStone details\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: Lab-grown alexandrite (synthetic chrysoberyl)\u003c\/li\u003e\n\u003cli\u003eGrowth method: Czochralski pulled\u003c\/li\u003e\n\u003cli\u003ePost-growth treatment: None\u003c\/li\u003e\n\u003cli\u003eColor range: Greenish-blue to red-purple \/ purple-red; varies by stone and light source\u003c\/li\u003e\n\u003cli\u003eTrade shape: Dutch marquise\u003c\/li\u003e\n\u003cli\u003eOutline: Elongated hexagon\u003c\/li\u003e\n\u003cli\u003eLaboratory shape designation: Hexagon\u003c\/li\u003e\n\u003cli\u003eCutting style: Brilliant \u0026amp; Step Modified\u003c\/li\u003e\n\u003cli\u003eStandard face-up size: Approximately 12 × 6 mm\u003c\/li\u003e\n\u003cli\u003eNominal depth: 4.6 mm\u003c\/li\u003e\n\u003cli\u003eProduction tolerance: ±0.2 mm in length, width and depth\u003c\/li\u003e\n\u003cli\u003eApproximate weight: Around 2.2 carats; varies by stone\u003c\/li\u003e\n\u003cli\u003eLaboratory report: Individual GFCO Gem Lab report included\u003c\/li\u003e\n\u003cli\u003eFaceting location: Our gemstone-cutting facility in Bangkok, Thailand\u003c\/li\u003e\n\u003cli\u003eQuantity supplied: One loose lab-grown alexandrite\u003c\/li\u003e\n\u003cli\u003eSKU: BLS112\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eColor change and viewing\u003c\/h2\u003e\n\u003cp\u003eThe apparent color depends on the spectral characteristics of the light source. Viewing angle, surroundings and display settings can also affect the color balance and reflections you perceive. The gallery demonstrates representative BLS112 color behavior and does not guarantee an identical appearance in every environment.\u003c\/p\u003e\n\u003ch2\u003eIndividual report and current stone\u003c\/h2\u003e\n\u003cp\u003eThe report shown in the gallery is representative. The stone supplied with your order will include its own GFCO Gem Lab report stating its reported measurements, carat weight, identification details and individual report number. Contact us before ordering if you need the currently available stone’s measurements, weight, photographs or video, or require delivery by a particular date.\u003c\/p\u003e\n\u003ch2\u003eFit and custom cutting\u003c\/h2\u003e\n\u003cp\u003eYour jeweler should confirm the final fit against the supplied stone and protect both pointed ends during setting. If you need this material in another size or shape, contact Brahma Diam to discuss custom cutting, subject to material availability and cutting feasibility.\u003c\/p\u003e\u003cp\u003e\u003ca href=\"\/blogs\/gemstone-guides\/what-is-czochralski-pulled-lab-grown-sapphire\"\u003eLearn how the Czochralski pulling method works.\u003c\/a\u003e\u003c\/p\u003e","brand":"Brahma Diam","offers":[{"title":"Default Title","offer_id":50030693220594,"sku":"BLS112","price":330.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0746\/0919\/7298\/files\/BLS112-Alex-h.jpg?v=1788675997","url":"https:\/\/brahmadiam.com\/products\/bls112-color-change-lab-grown-alexandrite","provider":"BRAHMA DIAM CO., LTD","version":"1.0","type":"link"}