{"product_id":"natural-blue-sapphire-2-12ct-cushion-cut-loose-gemstone","title":"Natural Blue Sapphire 2.12 Ct Cushion Cut Royal Blue Loose Gemstone | Heat Treated September Birthstone","description":"\u003carticle\u003e\n\n\u003cp\u003e\u003cstrong\u003eNatural Blue Sapphire weighing 2.12 carats, featuring a cushion cut, royal-blue colour and heat treatment, offered as a loose gemstone for custom jewellery and engagement ring designs.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis natural blue sapphire displays a rich royal-blue colour and weighs 2.12 carats. Its cushion cut combines soft rounded corners with attractive brilliance, making it a popular choice for custom engagement rings, pendants, and bespoke jewellery. Offered as a loose gemstone, it provides flexibility for a wide range of jewellery designs.\u003c\/p\u003e\n\n\u003cdiv class=\"ai-search-summary\"\u003e\n\u003ch3\u003eQuick Summary\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Blue Sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.12 Carat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Cushion Cut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Royal Blue\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 VS\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\u003c\/div\u003e\n\n\u003cp\u003eBlue sapphire is a variety of natural corundum valued for its durability, colour stability, and suitability for fine jewellery. Ranking 9 on the Mohs hardness scale, sapphire is well suited for jewellery intended for regular wear when professionally mounted.\u003c\/p\u003e\n\n\u003cp\u003eAs the birthstone for September, blue sapphire has long been associated with loyalty, wisdom, and sincerity in traditional gemstone symbolism. Its timeless appearance has made it one of the most recognised gemstones used in engagement rings and heirloom 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 Blue Sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Cushion\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClarity:\u003c\/strong\u003e VS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 2.12 Carat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Royal Blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 7.80 × 5.60 × 5.30 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 sapphire includes a certificate from an authorised gemologist confirming its identity as a natural blue sapphire and disclosing its treatment status.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeller Notes:\u003c\/strong\u003e Natural crystal inclusions and slight smokiness are present. These characteristics are commonly found in natural gemstones and are consistent with natural 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 ring or jewellery item. It is suitable for:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCustom Engagement Rings\u003c\/li\u003e\n\u003cli\u003eSolitaire Ring Designs\u003c\/li\u003e\n\u003cli\u003eHalo Ring Designs\u003c\/li\u003e\n\u003cli\u003ePendants and Necklaces\u003c\/li\u003e\n\u003cli\u003eSeptember Birthstone Jewellery\u003c\/li\u003e\n\u003cli\u003eCustom Fine 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, and platinum settings.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Sapphire?\u003c\/h3\u003e\n\n\u003cp\u003eBlue sapphires are valued for their durability, timeless colour, and versatility in jewellery design. Cushion-cut sapphires are particularly appreciated for their balanced shape, attractive brilliance, and suitability for both classic and contemporary jewellery styles.\u003c\/p\u003e\n\n\u003ch3\u003eExplore Related Collections\u003c\/h3\u003e\n\n\u003cp\u003e\nBrowse related selections and educational resources:\n\u003ca href=\"https:\/\/www.nashgems.com\/collections\/blue-sapphire-gemstones\"\u003eBlue 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 with tracking and insurance included. Delivery times vary by destination. Buyers are responsible for any 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 blue sapphire?\u003c\/h4\u003e\n\u003cp\u003eYes. This gemstone is identified as a natural blue sapphire.\u003c\/p\u003e\n\n\u003ch4\u003eHas this sapphire been treated?\u003c\/h4\u003e\n\u003cp\u003eYes. This sapphire 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. A certificate from an authorised gemologist is included.\u003c\/p\u003e\n\n\u003ch4\u003eCan this sapphire be used in an engagement ring?\u003c\/h4\u003e\n\u003cp\u003eYes. Its durability and cushion 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. The 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":44719325184228,"sku":"2.12 crt blue s R60","price":1659.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/9569\/9940\/files\/blue_sapphire_gemstone_sdcs.jpg?v=1745835143","url":"https:\/\/www.nashgems.com\/products\/natural-blue-sapphire-2-12ct-cushion-cut-loose-gemstone","provider":"NASHGEMS","version":"1.0","type":"link"}