{"product_id":"natural-teal-blue-green-sapphire-1-61ct-cushion-cut-loose-gemstone","title":"Natural Teal Blue Green Sapphire 1.61 Ct Cushion Cut Loose Gemstone | Unheated September Birthstone","description":"\u003carticle\u003e\n\n\u003cp\u003e\u003cstrong\u003eNatural teal blue green sapphire weighing 1.61 carats, featuring a cushion cut, teal green 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 sapphire combines soft green and blue tones in a single gemstone, creating a distinctive appearance suited to contemporary and classic jewellery designs. Sold loose, it provides complete flexibility for creating a custom engagement ring, pendant or bespoke fine jewellery piece while preserving its natural untreated character.\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\u003cli\u003eNatural teal blue green sapphire\u003c\/li\u003e\n\u003cli\u003eWeight: 1.61 carats\u003c\/li\u003e\n\u003cli\u003eCushion cut loose gemstone\u003c\/li\u003e\n\u003cli\u003eColour: Teal Blue Green\u003c\/li\u003e\n\u003cli\u003eTreatment: Untreated (No Heat)\u003c\/li\u003e\n\u003cli\u003eBirthstone: September\u003c\/li\u003e\n\u003cli\u003eSold as an unset loose gemstone\u003c\/li\u003e\n\u003cli\u003eGemologist certificate included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cp\u003eThe cushion cut enhances brilliance while maintaining soft, elegant proportions that suit a wide range of jewellery styles. Sapphire 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.\u003c\/p\u003e\n\n\u003cp\u003eAs the birthstone for September, sapphire has traditionally been associated with wisdom, loyalty and sincerity. Teal blue green sapphires are appreciated for their naturally distinctive colour combinations, making every gemstone visually unique.\u003c\/p\u003e\n\n\u003ch2\u003eGemstone Specifications\u003c\/h2\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\u003eSpecies:\u003c\/strong\u003e Natural Corundum\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eVariety:\u003c\/strong\u003e Teal Blue Green 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 1.61 Carats\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Teal Blue Green\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\u003eHardness:\u003c\/strong\u003e Mohs 9\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 5.40 × 7.50 × 3.80 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 (Unset)\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 its identity and untreated status.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeller Notes:\u003c\/strong\u003e A natural feather inclusion is present. Internal characteristics are commonly found in earth-mined sapphires and are consistent with natural gemstone 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 applications include:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003eCustom engagement rings\u003c\/li\u003e\n\n\u003cli\u003eSolitaire ring designs\u003c\/li\u003e\n\n\u003cli\u003eHalo ring settings\u003c\/li\u003e\n\n\u003cli\u003ePendants and necklaces\u003c\/li\u003e\n\n\u003cli\u003eBespoke fine jewellery\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 manufacturing is available in yellow gold, white gold, rose gold, silver and platinum. Please contact us to discuss custom design options.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose This Gemstone?\u003c\/h2\u003e\n\n\u003cp\u003eNatural teal blue green sapphires are valued for their distinctive colour combinations, durability and versatility. Every gemstone displays its own natural colour distribution, making each stone unique. Their combination of beauty and hardness makes them an excellent choice for everyday jewellery and custom designs.\u003c\/p\u003e\n\n\u003ch2\u003eExplore Related Collections\u003c\/h2\u003e\n\n\u003cp\u003eBrowse related collections and educational resources:\u003c\/p\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\u003ca href=\"https:\/\/www.nashgems.com\/collections\/blue-green-teal-sapphire\"\u003eTeal Blue Green 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 15 days of delivery provided the gemstone is returned unused and in its original condition according to our published return policy.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eIs this a natural teal blue green sapphire?\u003c\/h3\u003e\n\n\u003cp\u003eYes. This gemstone is a natural earth-mined sapphire displaying teal blue green colour and is not laboratory created.\u003c\/p\u003e\n\n\u003ch3\u003eHas this sapphire received heat treatment?\u003c\/h3\u003e\n\n\u003cp\u003eNo. This gemstone is untreated (no heat), as confirmed by the accompanying gemologist certificate.\u003c\/p\u003e\n\n\u003ch3\u003eIs this sold as a finished 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 cushion cut, durability and untreated natural colour make it suitable for custom engagement ring designs.\u003c\/p\u003e\n\n\u003ch3\u003eWill the gemstone appear different under various lighting conditions?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Natural sapphires may display subtle colour variation under daylight, indoor lighting and studio lighting due to their natural optical characteristics.\u003c\/p\u003e\n\n\u003c\/article\u003e\n","brand":"NASHGEMS","offers":[{"title":"Default Title","offer_id":44733799923940,"sku":"1.61 crt green s R40","price":630.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/9569\/9940\/files\/green_sapphire_loose_gemstone_nm_865rt.jpg?v=1745835659","url":"https:\/\/www.nashgems.com\/products\/natural-teal-blue-green-sapphire-1-61ct-cushion-cut-loose-gemstone","provider":"NASHGEMS","version":"1.0","type":"link"}