{"product_id":"natural-blue-green-sapphire-1-13ct-round-cut-loose-gemstone","title":"Natural Blue Green Sapphire 1.13 Ct Round Cut Loose Gemstone | Heat Treated Teal September Birthstone","description":"\u003carticle\u003e\n\n\u003cp\u003e\u003cstrong\u003eNatural Blue Green Sapphire weighing 1.13 carats, featuring a round cut, blue green colour, VS clarity and heat treatment. Offered as a loose gemstone for custom engagement rings, pendants and bespoke jewellery designs, with certification from an authorised gemologist.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis natural blue green sapphire displays an attractive blend of blue and green tones in a classic round cut. Sold as a loose gemstone, it offers complete flexibility for creating a custom engagement ring, pendant or personalised fine jewellery piece while showcasing the durability and beauty of natural corundum.\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 Blue Green Sapphire\u003c\/li\u003e\n\u003cli\u003eWeight: 1.13 Carats\u003c\/li\u003e\n\u003cli\u003eRound Cut Loose Gemstone\u003c\/li\u003e\n\u003cli\u003eVS Clarity\u003c\/li\u003e\n\u003cli\u003eColour: Blue Green\u003c\/li\u003e\n\u003cli\u003eTreatment: Heat Treated\u003c\/li\u003e\n\u003cli\u003eBirthstone: September\u003c\/li\u003e\n\u003cli\u003eCertificate from an authorised gemologist included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cp\u003eThe round cut enhances brilliance and symmetry while highlighting the gemstone's natural colour blend. 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, sincerity and loyalty. Blue green sapphires offer a distinctive alternative to traditional blue sapphires while maintaining timeless elegance and versatility.\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 Blue Green Sapphire\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eShape \u0026amp; Cut:\u003c\/strong\u003e Round\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eClarity:\u003c\/strong\u003e VS\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.13 Carats\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Blue Green\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 5.80 × 4.20 mm\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eTreatment:\u003c\/strong\u003e Heat Treated\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eBirthstone:\u003c\/strong\u003e September\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 issued by an authorised gemologist confirming its identity as a natural sapphire and disclosing the gemstone treatment.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeller Notes:\u003c\/strong\u003e Tiny natural crystal inclusions are visible under magnification. These internal characteristics are commonly found in natural 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\u003eFine bespoke 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 services are available using yellow gold, white gold, rose gold, silver and platinum, with optional diamond accents.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose This Gemstone?\u003c\/h2\u003e\n\n\u003cp\u003eBlue green sapphires are valued for their distinctive colour combination and durability. Each natural gemstone displays its own subtle colour characteristics, making every sapphire unique. Their strength and timeless appearance make them a popular choice for custom jewellery and everyday wear.\u003c\/p\u003e\n\n\u003ch2\u003eExplore Related Collections\u003c\/h2\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\u003ca href=\"\/collections\/blue-green-teal-sapphire\"\u003eBlue Green \u0026amp; Teal Sapphire Collection\u003c\/a\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"\/collections\/\"\u003eAll Loose Sapphire Gemstones\u003c\/a\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"\/collections\/sapphire-gemstone-jewelry-rings\"\u003eCustom \u0026amp; Ready-to-Wear Sapphire Jewellery\u003c\/a\u003e\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"\/blogs\/gemstone-articles\"\u003eGemstone Education Articles\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 with tracking and insurance included. Delivery times may vary depending on destination. Buyers are responsible for any applicable customs duties or import taxes.\u003c\/p\u003e\n\n\u003cp\u003eReturns are accepted within 15 days of delivery provided the gemstone is returned unused and in its original condition, in accordance with our published return policy.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003ch3\u003eIs this a natural blue green sapphire?\u003c\/h3\u003e\n\n\u003cp\u003eYes. This gemstone is a natural earth-mined sapphire and is not laboratory created.\u003c\/p\u003e\n\n\u003ch3\u003eHas this sapphire been treated?\u003c\/h3\u003e\n\n\u003cp\u003eYes. This gemstone has received standard heat treatment, as disclosed in the specifications and gemologist certificate.\u003c\/p\u003e\n\n\u003ch3\u003eDoes this listing include 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 sapphire be used for an engagement ring?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Its durability and round cut make it suitable for custom engagement ring designs and everyday wear.\u003c\/p\u003e\n\n\u003ch3\u003eWill the gemstone colour vary under different lighting?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Natural blue green sapphires may display subtle colour variation under different lighting conditions due to their natural colour characteristics.\u003c\/p\u003e\n\n\u003c\/article\u003e\n","brand":"NASHGEMS","offers":[{"title":"Default Title","offer_id":44145337237732,"sku":"1.13 teal R47","price":472.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/9569\/9940\/files\/IMG_4666_d6eca327-d3e1-4ee4-93a9-9df28dda7893.jpg?v=1745832589","url":"https:\/\/www.nashgems.com\/products\/natural-blue-green-sapphire-1-13ct-round-cut-loose-gemstone","provider":"NASHGEMS","version":"1.0","type":"link"}