{"product_id":"natural-teal-sapphire-3-50ct-octagon-cut-loose-gemstone","title":"Natural Teal Sapphire 3.50 Ct Octagon Cut Loose Gemstone | Dark Teal Heat Treated September Birthstone","description":"\u003carticle\u003e\n\n\u003cp\u003e\u003cstrong\u003eNatural Teal Sapphire weighing 3.50 carats, featuring an octagon cut, dark teal colour and heat treatment. Offered as a loose gemstone for custom engagement rings, pendants and bespoke jewellery designs, and supplied with certification from an authorised gemologist.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis natural teal sapphire weighs 3.50 carats and displays a rich dark teal colour with excellent visual depth. Its octagon cut combines elegant proportions with attractive brilliance, making it suitable for custom engagement rings, anniversary jewellery, pendants and bespoke fine jewellery. Sold as a loose gemstone, it offers complete flexibility for custom setting.\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 Sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.50 Carat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Octagon Cut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Dark Teal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreatment:\u003c\/strong\u003e Heat Treated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClarity:\u003c\/strong\u003e VVS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBirthstone:\u003c\/strong\u003e September\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 sapphire is a variety of natural corundum appreciated for its distinctive blend of blue and green tones. Ranking 9 on the Mohs hardness scale, sapphire is highly durable and 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. The unique colour of teal sapphire offers an alternative to traditional blue sapphire while maintaining timeless elegance for custom jewellery.\u003c\/p\u003e\n\n\u003ch3\u003eGemstone Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpecies:\u003c\/strong\u003e Natural Corundum\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVariety:\u003c\/strong\u003e Teal Sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Octagon\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClarity:\u003c\/strong\u003e VVS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 3.50 Carat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Dark Teal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 7.95 × 8.30 × 5.20 mm\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\u003c\/ul\u003e\n\n\u003ch3\u003eCertification \u0026amp; Authenticity\u003c\/h3\u003e\n\n\u003cp\u003eThis gemstone includes certification from an authorised gemologist confirming its identity as a natural sapphire and disclosing its heat treatment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeller Notes:\u003c\/strong\u003e Eye-clean appearance with excellent transparency. Minor natural characteristics may be visible under magnification 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. Suitable applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCustom Engagement Rings\u003c\/li\u003e\n\u003cli\u003eAnniversary Rings\u003c\/li\u003e\n\u003cli\u003eSolitaire Ring Designs\u003c\/li\u003e\n\u003cli\u003ePendants and Necklaces\u003c\/li\u003e\n\u003cli\u003eCustom Fine Jewellery\u003c\/li\u003e\n\u003cli\u003eSeptember Birthstone Jewellery\u003c\/li\u003e\n\u003cli\u003eGemstone Collections\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eCustom jewellery services are available using gold, rose gold, white gold, silver, platinum and diamond accents.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Gemstone?\u003c\/h3\u003e\n\n\u003cp\u003eNatural teal sapphires are valued for their distinctive colour combination, durability and versatility in jewellery design. Their balanced blend of blue and green tones makes them a popular choice for buyers seeking an alternative to traditional blue sapphires while retaining the durability and timeless appeal of corundum.\u003c\/p\u003e\n\n\u003ch3\u003eExplore Related Collections\u003c\/h3\u003e\n\n\u003cp\u003e\nBrowse related collections and educational resources:\n\u003ca href=\"https:\/\/www.nashgems.com\/collections\/blue-green-teal-sapphire\"\u003eTeal Sapphire Collection\u003c\/a\u003e |\n\u003ca href=\"https:\/\/www.nashgems.com\/collections\"\u003eNatural Sapphire Collection\u003c\/a\u003e |\n\u003ca href=\"https:\/\/www.nashgems.com\/collections\/all\"\u003eAll Gemstones\u003c\/a\u003e |\n\u003ca href=\"https:\/\/www.nashgems.com\/collections\/sapphire-gemstone-jewelry-rings\"\u003eReady-to-Wear Jewellery\u003c\/a\u003e |\n\u003ca href=\"https:\/\/www.nashgems.com\/pages\/contact\"\u003eContact Us\u003c\/a\u003e |\n\u003ca href=\"https:\/\/www.nashgems.com\/blogs\/gemstone-articles\"\u003eGemstone Education Articles\u003c\/a\u003e\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\u003cp\u003eYes. This gemstone is identified as a natural teal sapphire from the corundum family.\u003c\/p\u003e\n\n\u003ch4\u003eHas this sapphire been treated?\u003c\/h4\u003e\n\u003cp\u003eYes. This gemstone has undergone heat treatment, which is disclosed in the specifications and certification.\u003c\/p\u003e\n\n\u003ch4\u003eDoes the gemstone include certification?\u003c\/h4\u003e\n\u003cp\u003eYes. It includes certification from an authorised gemologist.\u003c\/p\u003e\n\n\u003ch4\u003eCan this gemstone be used in an engagement ring?\u003c\/h4\u003e\n\u003cp\u003eYes. Its durability and octagon cut make it suitable for custom engagement ring designs.\u003c\/p\u003e\n\n\u003ch4\u003eIs this sold as a loose gemstone?\u003c\/h4\u003e\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":44641333706980,"sku":"3.50 tl rm lt7","price":2598.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/9569\/9940\/files\/loose_teal_sapphire_emerald_radiant_cut_fvsf.jpg?v=1745833954","url":"https:\/\/www.nashgems.com\/products\/natural-teal-sapphire-3-50ct-octagon-cut-loose-gemstone","provider":"NASHGEMS","version":"1.0","type":"link"}