{"product_id":"natural-teal-blue-green-parti-sapphire-1-65ct-radiant-cut-loose-gemstone","title":"Natural Teal Blue Green Parti Sapphire 1.65 Ct Radiant Cut Loose Gemstone | No Heat September Birthstone","description":"\u003carticle\u003e\n\n\u003cp\u003e\u003cstrong\u003eNatural teal blue green parti sapphire weighing 1.65 carats, featuring a radiant cut, teal blue green multicolour zoning, VVS clarity and untreated (no heat) status. Offered as a loose gemstone for custom engagement rings, pendants and bespoke jewellery designs, complete with certification from an authorised gemmologist.\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis natural teal blue green parti sapphire displays a distinctive combination of teal blue, green and subtle yellow tones within a single crystal, creating the unique multicolour appearance for which parti sapphires are known. Sold as a loose gemstone, it offers complete flexibility for creating a custom engagement ring, pendant or personalised fine jewellery design.\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 parti sapphire\u003c\/li\u003e\n\u003cli\u003eWeight: 1.65 carats\u003c\/li\u003e\n\u003cli\u003eRadiant cut loose gemstone\u003c\/li\u003e\n\u003cli\u003eVVS clarity\u003c\/li\u003e\n\u003cli\u003eColour: Teal Blue Green with natural parti zoning\u003c\/li\u003e\n\u003cli\u003eTreatment: No Heat (Untreated)\u003c\/li\u003e\n\u003cli\u003eBirthstone: September\u003c\/li\u003e\n\u003cli\u003eCertificate from an authorised gemmologist included\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003c\/div\u003e\n\n\u003cp\u003eThe radiant cut combines brilliant faceting with clean geometry, enhancing the gemstone's natural colour zoning and light performance. 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. Parti sapphires are appreciated for their naturally occurring blend of colours, giving each gemstone an individual appearance that cannot be exactly replicated.\u003c\/p\u003e\n\n\u003ch2\u003eGemstone Specifications\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdentification:\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 Teal Blue Green Parti Sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape \u0026amp; Cut:\u003c\/strong\u003e Radiant Cut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClarity:\u003c\/strong\u003e VVS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.65 Carats\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Teal Blue Green\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 6.70 × 6.00 × 4.30 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTreatment:\u003c\/strong\u003e No Heat (Untreated)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBirthstone:\u003c\/strong\u003e September\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCertification \u0026amp; Authenticity\u003c\/h2\u003e\n\n\u003cp\u003eThis sapphire includes a certificate from an authorised gemmologist confirming its natural origin and disclosed gemstone characteristics.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeller Notes:\u003c\/strong\u003e A clean gemstone with a fine needle inclusion visible only under magnification. This natural internal characteristic is consistent with earth-mined sapphire formation and is not visible to the unaided eye.\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\u003cli\u003eCustom engagement rings\u003c\/li\u003e\n\u003cli\u003eRadiant cut solitaire rings\u003c\/li\u003e\n\u003cli\u003eHalo ring designs\u003c\/li\u003e\n\u003cli\u003ePendants and necklaces\u003c\/li\u003e\n\u003cli\u003eBespoke fine jewellery\u003c\/li\u003e\n\u003cli\u003eSeptember birthstone jewellery\u003c\/li\u003e\n\u003cli\u003eGemstone collections\u003c\/li\u003e\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\u003eNatural parti sapphires display multiple colours within a single crystal due to their natural formation. The combination of teal blue and green tones gives each gemstone its own distinctive appearance, making parti sapphires a popular choice for buyers seeking an alternative to traditional blue sapphires while retaining the durability and versatility of 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\u003cli\u003e\u003ca href=\"\/collections\/blue-green-teal-sapphire\"\u003eParti, Teal \u0026amp; Blue Green Sapphire Collection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/\"\u003eAll Loose Sapphire Gemstones\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/gemstone-articles\"\u003eGemstone Education Articles\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/sapphire-gemstone-jewelry-rings\"\u003eCustom \u0026amp; Ready-to-Wear Sapphire Jewellery\u003c\/a\u003e\u003c\/li\u003e\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 parti sapphire?\u003c\/h3\u003e\n\n\u003cp\u003eYes. This gemstone is a natural earth-mined teal blue green parti sapphire and is not laboratory created or synthetic.\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 disclosed in the specifications and accompanying gemmologist certificate.\u003c\/p\u003e\n\n\u003ch3\u003eIs this sold as a finished engagement 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\u003eIs a 1.65 carat radiant cut sapphire suitable for an engagement ring?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Its size, durability and radiant cut make it well suited for a custom engagement ring or other bespoke jewellery designs.\u003c\/p\u003e\n\n\u003ch3\u003eWill the gemstone appear different under different lighting?\u003c\/h3\u003e\n\n\u003cp\u003eYes. Natural parti sapphires may display subtle colour variation under daylight, indoor lighting and studio lighting due to their natural multicolour zoning.\u003c\/p\u003e\n\n\u003c\/article\u003e\n","brand":"NASHGEMS","offers":[{"title":"Default Title","offer_id":48775886897380,"sku":"1.65 crt tl R100","price":945.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/9569\/9940\/files\/tealsapphireloosestoneRadiantcut1.65crt-2.jpg?v=1776499612","url":"https:\/\/www.nashgems.com\/products\/natural-teal-blue-green-parti-sapphire-1-65ct-radiant-cut-loose-gemstone","provider":"NASHGEMS","version":"1.0","type":"link"}