{"product_id":"natural-teal-blue-green-sapphire-3-51ct-shield-cut-loose-gemstone","title":"Natural Teal Blue Green Sapphire 3.51 Ct Shield Cut Heat Treated Loose Gemstone | September Birthstone","description":"\u003carticle\u003e\n\n\u003cp\u003e\u003cstrong\u003eNatural teal blue green sapphire weighing 3.51 carats, featuring a shield cut, distinctive blue-green colour zoning and heat treatment. Offered as a loose gemstone for custom jewellery and supplied with certification from an authorised gemmologist.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis natural teal blue green sapphire weighs 3.51 carats and displays an attractive blend of blue and green tones with a distinctive shield cut. Sold as a loose gemstone, it is suitable for custom engagement rings, pendants, statement jewellery and bespoke jewellery projects. Its modern shape and natural colour variation make it an appealing choice for jewellery buyers and gemstone collectors.\u003c\/p\u003e\n\n\u003cdiv class=\"ai-search-summary\"\u003e\n\n\u003ch3\u003eQuick Summary\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Teal Blue Green Sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.51 Carat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Shield Cut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Teal Blue Green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreatment:\u003c\/strong\u003e Heat Treated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBirthstone:\u003c\/strong\u003e September\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold As:\u003c\/strong\u003e Loose Gemstone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertification:\u003c\/strong\u003e Included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cp\u003eTeal sapphires belong to the corundum family and are valued for their durability, distinctive colour combinations and versatility in jewellery design. With a Mohs hardness of 9, sapphire is suitable for jewellery intended for regular wear when professionally set.\u003c\/p\u003e\n\n\u003cp\u003eAs the birthstone for September, sapphire has traditionally been associated with wisdom, loyalty and sincerity. Shield-cut sapphires offer a contemporary appearance that highlights colour zoning and geometric symmetry, making them especially suitable for bespoke jewellery.\u003c\/p\u003e\n\n\u003ch3\u003eGemstone Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Sapphire\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eColour Variety:\u003c\/strong\u003e Teal Blue Green Sapphire\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Shield\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.51 Carat\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eTreatment:\u003c\/strong\u003e Heat Treated\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eHardness:\u003c\/strong\u003e Mohs 9\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 9.90 × 8.10 × 6.20 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\u003ch3\u003eCertification \u0026amp; Authenticity\u003c\/h3\u003e\n\n\u003cp\u003eThis sapphire includes certification from an authorised gemmologist confirming authenticity and disclosed treatment information.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeller Notes:\u003c\/strong\u003e Crystal inclusions and colour banding are visible under magnification. These characteristics are commonly found in natural sapphires and are consistent with natural gemstone formation.\u003c\/p\u003e\n\n\u003ch3\u003eJewellery Applications\u003c\/h3\u003e\n\n\u003cp\u003eThis gemstone is sold loose and is not supplied as a finished jewellery item.\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eCustom Engagement Rings\u003c\/li\u003e\n\n\u003cli\u003eStatement Rings\u003c\/li\u003e\n\n\u003cli\u003ePendants\u003c\/li\u003e\n\n\u003cli\u003eBespoke Jewellery Designs\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 using yellow gold, white gold, rose gold, silver and platinum settings.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Gemstone?\u003c\/h3\u003e\n\n\u003cp\u003eNatural teal blue green sapphires are appreciated for their distinctive colour combinations and contemporary appeal. The shield cut enhances the gemstone's architectural shape while showcasing its natural colour zoning, making it a distinctive option for custom jewellery and gemstone collections.\u003c\/p\u003e\n\n\u003ch3\u003eExplore Related Collections\u003c\/h3\u003e\n\n\u003cp\u003e\n\nBrowse related selections and educational resources:\n\n\u003ca href=\"https:\/\/www.nashgems.com\/collections\/blue-green-teal-sapphire\"\u003eTeal Sapphire Collection\u003c\/a\u003e |\n\n\u003ca href=\"https:\/\/www.nashgems.com\/collections\"\u003eNatural Sapphire Collection\u003c\/a\u003e |\n\n\u003ca href=\"https:\/\/www.nashgems.com\/collections\/all\"\u003eAll Gemstones\u003c\/a\u003e |\n\n\u003ca href=\"https:\/\/www.nashgems.com\/collections\/sapphire-gemstone-jewelry-rings\"\u003eReady to Wear Jewellery\u003c\/a\u003e |\n\n\u003ca href=\"https:\/\/www.nashgems.com\/pages\/contact\"\u003eContact Us\u003c\/a\u003e |\n\n\u003ca href=\"https:\/\/www.nashgems.com\/blogs\/gemstone-articles\"\u003eGemstone Education Articles\u003c\/a\u003e\n\n\u003c\/p\u003e\n\n\u003ch3\u003eShipping \u0026amp; Returns\u003c\/h3\u003e\n\n\u003cp\u003eWorldwide shipping is available. Buyers are responsible for applicable customs duties or import taxes. Returns are accepted according to our published return policy.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eIs this a natural teal sapphire?\u003c\/h4\u003e\n\n\u003cp\u003eYes. This gemstone is identified as a natural teal blue green sapphire.\u003c\/p\u003e\n\n\u003ch4\u003eHas this sapphire been treated?\u003c\/h4\u003e\n\n\u003cp\u003eYes. This sapphire has undergone heat treatment, which is disclosed in the specifications.\u003c\/p\u003e\n\n\u003ch4\u003eDoes this gemstone include certification?\u003c\/h4\u003e\n\n\u003cp\u003eYes. Certification from an authorised gemmologist is included.\u003c\/p\u003e\n\n\u003ch4\u003eCan this gemstone be used for a custom engagement ring?\u003c\/h4\u003e\n\n\u003cp\u003eYes. The shield cut and durability make it suitable for custom engagement rings and bespoke jewellery designs.\u003c\/p\u003e\n\n\u003ch4\u003eIs this sold as a loose gemstone?\u003c\/h4\u003e\n\n\u003cp\u003eYes. This sapphire is sold loose and is not supplied as a finished jewellery item.\u003c\/p\u003e\n\n\u003c\/article\u003e\n","brand":"NASHGEMS","offers":[{"title":"Default Title","offer_id":46606103740644,"sku":"3.51 teal rm lt 11","price":3307.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/9569\/9940\/files\/NATURAL_TEAL_SAPPHIRE_SHEILD_CUT__5.jpg?v=1752740065","url":"https:\/\/www.nashgems.com\/products\/natural-teal-blue-green-sapphire-3-51ct-shield-cut-loose-gemstone","provider":"NASHGEMS","version":"1.0","type":"link"}