{"product_id":"natural-yellow-sapphire-1-58ct-round-cut-loose-gemstone","title":"Natural Yellow Sapphire 1.58 Ct Round Cut Loose Gemstone | Canary Yellow Heat Treated September Birthstone","description":"\u003carticle\u003e\n\n\u003cp\u003e\u003cstrong\u003eNatural Yellow Sapphire weighing 1.58 carats, featuring a round cut, canary yellow colour 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 yellow sapphire displays a bright canary yellow colour and weighs 1.58 carats. Its round cut provides excellent symmetry and light return, making it suitable for custom engagement rings, pendants, and bespoke jewellery designs. Sold as a loose gemstone, it offers flexibility for buyers seeking a natural sapphire for jewellery projects or gemstone collections.\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 Yellow Sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.58 Carat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Round Cut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Canary Yellow\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\u003eCertification:\u003c\/strong\u003e Included\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold As:\u003c\/strong\u003e Loose Gemstone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eYellow 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 appropriate for jewellery intended for regular wear when professionally set.\u003c\/p\u003e\n\n\u003cp\u003eAs a September birthstone, sapphire has long been associated with wisdom, loyalty, and sincerity in traditional gemstone symbolism. The bright yellow colour offers an alternative to traditional blue sapphires while maintaining the same durability and versatility.\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 Yellow Sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Round\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.58 Carat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Canary Yellow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 6.50 × 4.60 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\u003cli\u003e\n\u003cstrong\u003eSold As:\u003c\/strong\u003e Loose Gemstone\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 gemmologist confirming its identity and disclosed treatment information.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeller Notes:\u003c\/strong\u003e A crystal inclusion is visible from the back under magnification. Such 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 listing is for a loose gemstone only and does not include a finished ring or jewellery item. Suitable applications include:\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\u003ePendants and Necklaces\u003c\/li\u003e\n\u003cli\u003eSeptember Birthstone Jewellery\u003c\/li\u003e\n\u003cli\u003eCustom Fine Jewellery Projects\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 Gemstone?\u003c\/h3\u003e\n\n\u003cp\u003eYellow sapphires are valued for their bright colour, durability, and versatility in jewellery design. The round cut maximises symmetry and brilliance, making it a popular choice for 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\/yellow-sapphire\"\u003eYellow 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 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 yellow sapphire?\u003c\/h4\u003e\n\u003cp\u003eYes. This gemstone is identified as a natural yellow sapphire from the corundum family.\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.\u003c\/p\u003e\n\n\u003ch4\u003eDoes the gemstone include certification?\u003c\/h4\u003e\n\u003cp\u003eYes. A certificate from an authorised gemmologist 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 round 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":46394404602084,"sku":"1.58 yellow s R70","price":756.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/9569\/9940\/files\/yellow_round_sapphire_1_4.jpg?v=1752740793","url":"https:\/\/www.nashgems.com\/products\/natural-yellow-sapphire-1-58ct-round-cut-loose-gemstone","provider":"NASHGEMS","version":"1.0","type":"link"}