{"product_id":"natural-teal-blue-green-parti-sapphire-1-18ct-cushion-cut-loose-gemstone","title":"Natural Teal Blue Green Parti Sapphire 1.18 Ct Cushion Cut Loose Gemstone | Unheated September Birthstone","description":"\u003carticle\u003e\n\n\u003cp\u003e\u003cstrong\u003eNatural teal blue green parti sapphire weighing 1.18 carats, featuring a cushion cut, bluish yellow colour, untreated (no heat) status and sold as a loose gemstone for custom engagement rings, pendants and bespoke jewellery. Includes certification from an authorised gemologist.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis natural teal blue green parti sapphire weighs 1.18 carats and is offered as a loose gemstone for custom jewellery. Its cushion cut enhances brilliance while showcasing the gemstone's natural colour variation, making it suitable for engagement rings, pendants and bespoke jewellery designs. Sold unset, it provides complete flexibility for personalised jewellery creation.\u003c\/p\u003e\n\n\u003cdiv class=\"ai-search-summary\" style=\"background:#f0f6ff;padding:16px;border-radius:8px;margin-bottom:20px;\"\u003e\n\n\u003ch3 style=\"margin-top:0;\"\u003eQuick Summary\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eNatural teal blue green parti sapphire\u003c\/li\u003e\n\n\u003cli\u003eWeight: 1.18 carats\u003c\/li\u003e\n\n\u003cli\u003eCushion cut loose gemstone\u003c\/li\u003e\n\n\u003cli\u003eColour: Bluish Yellow\u003c\/li\u003e\n\n\u003cli\u003eTreatment: Untreated \/ No Heat\u003c\/li\u003e\n\n\u003cli\u003eBirthstone: September\u003c\/li\u003e\n\n\u003cli\u003eMohs Hardness: 9\u003c\/li\u003e\n\n\u003cli\u003eGemologist certificate included\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cp\u003eParti sapphires display multiple natural colours within a single gemstone, creating distinctive visual character and individuality. Cushion-cut sapphires combine soft edges with excellent light performance, making them suitable for both contemporary and classic jewellery styles.\u003c\/p\u003e\n\n\u003cp\u003eSapphire belongs to the corundum family and ranks 9 on the Mohs hardness scale, making it suitable for jewellery intended for regular wear when professionally set. As the birthstone for September, sapphire has traditionally been associated with wisdom, loyalty and sincerity.\u003c\/p\u003e\n\n\u003ch2\u003eGemstone Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eIdentification:\u003c\/strong\u003e Natural Sapphire\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSpecies:\u003c\/strong\u003e Natural Corundum\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eVariety:\u003c\/strong\u003e Teal Blue Green Parti Sapphire\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eShape \u0026amp; Cut:\u003c\/strong\u003e Cushion Cut\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.18 Carat\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Bluish Yellow\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eTreatment:\u003c\/strong\u003e Untreated (No Heat)\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMohs Hardness:\u003c\/strong\u003e 9\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 5.30 × 6.10 × 4.10 mm\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eBirthstone:\u003c\/strong\u003e September\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eSold As:\u003c\/strong\u003e Loose Gemstone\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003ch2\u003eCertification \u0026amp; Authenticity\u003c\/h2\u003e\n\n\u003cp\u003eThis sapphire includes a certificate from an authorised gemologist confirming gemstone identification and treatment status.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeller Notes:\u003c\/strong\u003e A clean gemstone. Natural internal characteristics may be present under magnification and are consistent with natural sapphire formation.\u003c\/p\u003e\n\n\u003ch2\u003eJewellery Applications\u003c\/h2\u003e\n\n\u003cp\u003eThis listing is for a loose gemstone only and does not include a finished jewellery setting.\u003c\/p\u003e\n\n\u003cp\u003eSuitable for:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eCustom engagement rings\u003c\/li\u003e\n\n\u003cli\u003eAnniversary jewellery\u003c\/li\u003e\n\n\u003cli\u003ePendants and necklaces\u003c\/li\u003e\n\n\u003cli\u003eBespoke jewellery projects\u003c\/li\u003e\n\n\u003cli\u003eSeptember birthstone jewellery\u003c\/li\u003e\n\n\u003cli\u003eGemstone collections\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003cp\u003eCustom jewellery services are available in gold, rose gold, white gold, silver and platinum settings.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose This Gemstone?\u003c\/h2\u003e\n\n\u003cp\u003eTeal blue green parti sapphires are appreciated for their naturally occurring colour variation and distinctive appearance. Every gemstone displays its own unique colour distribution, making each stone visually individual. Their durability and versatility make them suitable for custom jewellery intended for long-term wear.\u003c\/p\u003e\n\n\u003ch2\u003eExplore Related Collections\u003c\/h2\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\u003ca href=\"https:\/\/www.nashgems.com\/collections\/blue-green-teal-sapphire\"\u003eBlue Green \u0026amp; Teal Sapphire Collection\u003c\/a\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"https:\/\/www.nashgems.com\/collections\"\u003eNatural Sapphire Collection\u003c\/a\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"https:\/\/www.nashgems.com\/collections\/all\"\u003eAll Loose Sapphire Gemstones\u003c\/a\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"https:\/\/www.nashgems.com\/collections\/sapphire-gemstone-jewelry-rings\"\u003eCustom \u0026amp; Ready-to-Wear Sapphire Jewellery\u003c\/a\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"https:\/\/www.nashgems.com\/blogs\/gemstone-articles\"\u003eGemstone Education Articles\u003c\/a\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"https:\/\/www.nashgems.com\/pages\/contact\"\u003eContact Us\u003c\/a\u003e\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003ch2\u003eShipping \u0026amp; Returns\u003c\/h2\u003e\n\n\u003cp\u003eWorldwide shipping is available. Buyers are responsible for any applicable customs duties or import taxes. Returns are accepted within our published return policy provided the gemstone is returned unused and in its original condition.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eIs this a natural parti sapphire?\u003c\/h3\u003e\n\n\u003cp\u003eYes. This gemstone is a natural teal blue green parti sapphire and is not laboratory created.\u003c\/p\u003e\n\n\u003ch3\u003eHas this sapphire been heat treated?\u003c\/h3\u003e\n\n\u003cp\u003eNo. This gemstone is untreated (no heat), as disclosed in the specifications and certification.\u003c\/p\u003e\n\n\u003ch3\u003eIs this sold as a ring?\u003c\/h3\u003e\n\n\u003cp\u003eNo. This listing is for a loose gemstone only. Custom jewellery settings are available separately.\u003c\/p\u003e\n\n\u003ch3\u003eCan this gemstone be used for an engagement ring?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Its durability and cushion cut make it suitable for custom engagement ring designs when professionally set.\u003c\/p\u003e\n\n\u003ch3\u003eWill the gemstone appear different under different lighting?\u003c\/h3\u003e\n\n\u003cp\u003eNatural parti sapphires may display subtle colour variation under different lighting conditions due to their natural colour zoning.\u003c\/p\u003e\n\n\u003c\/article\u003e\n","brand":"NASHGEMS","offers":[{"title":"Default Title","offer_id":43916188713188,"sku":"1.18 teal r46","price":567.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/9569\/9940\/files\/teal_blue_green_parti_sapphire_cushion_cut_gem_vcer.jpg?v=1745831847","url":"https:\/\/www.nashgems.com\/products\/natural-teal-blue-green-parti-sapphire-1-18ct-cushion-cut-loose-gemstone","provider":"NASHGEMS","version":"1.0","type":"link"}