{"product_id":"natural-blue-green-sapphire-0-73ct-oval-cut-loose-gemstone","title":"Natural Blue Green Sapphire 0.73 Ct Oval Cut Loose Gemstone | Heat Treated September Birthstone","description":"\u003carticle\u003e\n\n\u003cp\u003e\u003cstrong\u003eNatural Blue Green Sapphire weighing 0.73 carats, featuring an oval cut, blue green colour, VVS clarity and heat treatment. Offered as a loose gemstone for custom engagement rings, pendants and bespoke jewellery, complete 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 an elegant oval cut. Sold as a loose gemstone, it provides complete flexibility for creating a custom engagement ring, pendant or bespoke jewellery design 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: 0.73 Carat\u003c\/li\u003e\n\u003cli\u003eOval Cut Loose Gemstone\u003c\/li\u003e\n\u003cli\u003eClarity: VVS\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\u003eBlue green sapphires are valued for their distinctive colour combination and suitability for custom jewellery. The oval cut enhances brilliance while preserving an elegant outline, making this gemstone suitable for both contemporary and classic jewellery styles.\u003c\/p\u003e\n\n\u003cp\u003eSapphire belongs to the natural corundum family and ranks 9 on the Mohs hardness scale, making it suitable for jewellery intended for regular wear when professionally set. As the September birthstone, sapphire has traditionally been associated with wisdom, loyalty and sincerity.\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 Oval\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eClarity:\u003c\/strong\u003e VVS\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 0.73 Carat\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Blue Green\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 4.10 × 6.00 × 3.30 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 gemstone includes a certificate from an authorised gemologist confirming its identity as a natural sapphire and disclosing its treatment status.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeller Notes:\u003c\/strong\u003e A clean gemstone with natural colour banding visible. Internal characteristics may be observed under magnification and are consistent with natural earth-mined sapphires.\u003c\/p\u003e\n\n\u003cp\u003eNatural gemstones may display slight colour variation under different lighting conditions due to their natural crystal structure and colour zoning.\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 for:\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 in 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 appreciated for their natural blend of colours and individuality. Every gemstone displays its own unique appearance, making each stone distinctive while retaining the durability and timeless appeal associated with natural sapphire.\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=\"\/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. 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 sapphire?\u003c\/h3\u003e\n\n\u003cp\u003eYes. This gemstone is a natural earth-mined blue green sapphire from the corundum family.\u003c\/p\u003e\n\n\u003ch3\u003eHas this sapphire been treated?\u003c\/h3\u003e\n\n\u003cp\u003eYes. This sapphire has undergone standard heat treatment, as disclosed in the specifications and certification.\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 sapphire be used in an engagement ring?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Its durability and oval cut make it suitable for custom engagement ring designs when professionally set.\u003c\/p\u003e\n\n\u003ch3\u003eDoes the gemstone include certification?\u003c\/h3\u003e\n\n\u003cp\u003eYes. A certificate from an authorised gemologist is included with this sapphire.\u003c\/p\u003e\n\n\u003c\/article\u003e\n","brand":"NASHGEMS","offers":[{"title":"Default Title","offer_id":44145349755108,"sku":"0.73 teal R47","price":257.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/9569\/9940\/files\/IMG_4854.jpg?v=1745832635","url":"https:\/\/www.nashgems.com\/products\/natural-blue-green-sapphire-0-73ct-oval-cut-loose-gemstone","provider":"NASHGEMS","version":"1.0","type":"link"}