{"product_id":"12-57-carat-bicolour-tourmaline","title":"12.57 Carat Bicolour Tourmaline","description":"\u003cp data-start=\"265\" data-end=\"598\"\u003eFrom the renowned \u003cstrong data-start=\"283\" data-end=\"297\"\u003eKunar mine\u003c\/strong\u003e, in Afghanistan, comes this exceptional 12.57 carat natural bicolour tourmaline — a gemstone shaped by contrast and balance at its very source. Its harmonious proportions and refined clarity allow two tones to coexist with precision, revealing a stone of character, depth, and quiet authority.\u003c\/p\u003e\n\u003cp data-start=\"600\" data-end=\"1135\"\u003eKey Features:\u003cbr data-start=\"615\" data-end=\"618\"\u003eColour: Bicolour – a natural interplay of hues, vivid yet composed\u003cbr data-start=\"687\" data-end=\"690\"\u003eWeight: 12.57 carats – commanding presence with refined equilibrium\u003cbr data-start=\"760\" data-end=\"763\"\u003eDimensions: 13.55 × 11.50 × 9.91 mm – ideal scale for bespoke high jewellery\u003cbr data-start=\"842\" data-end=\"845\"\u003eCut: Precision-cut – enhancing depth, structure, and colour dialogue\u003cbr data-start=\"916\" data-end=\"919\"\u003eClarity: Clean – clear transparency and natural brilliance\u003cbr data-start=\"980\" data-end=\"983\" data-is-only-node=\"\"\u003eTreatment: No heat, no treatment – 100% natural purity\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-start=\"1137\" data-end=\"1374\"\u003eA gemstone of authentic contrast and geological integrity — where origin matters, colour speaks, and balance becomes design. Destined to anchor a high-jewellery creation defined by individuality, restraint, and enduring sophistication.\u003c\/p\u003e","brand":"Lisbon Gem Exchange Limited","offers":[{"title":"Default Title","offer_id":52458231791954,"sku":null,"price":3550.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0932\/7496\/4306\/files\/IMG-20260110-WA0030.jpg?v=1768210748","url":"https:\/\/www.lisbongemex.com\/products\/12-57-carat-bicolour-tourmaline","provider":"Lisbon Gem Exchange Limited","version":"1.0","type":"link"}