{"product_id":"natural-ceylon-blue-sapphire-1-60ct-cushion-cut-loose-gemstone","title":"Natural Ceylon Blue Sapphire 1.60 Ct Cushion Cut – Vivid Blue Loose Sapphire for Engagement Ring or Custom Jewellery","description":"\u003carticle\u003e\n\n\u003cp\u003e\u003cstrong\u003eNatural Ceylon Blue Sapphire weighing 1.60 carats, featuring a cushion cut, vivid blue colour, VVS clarity 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 Ceylon blue sapphire displays a vivid blue colour and weighs 1.60 carats. Its cushion cut combines soft corners with excellent brilliance, 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 Ceylon Blue Sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.60 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 Vivid Blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClarity:\u003c\/strong\u003e VVS\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\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 long-standing use in fine jewellery. With a hardness of 9 on the Mohs scale, sapphire is suitable for jewellery intended for regular wear when professionally set.\u003c\/p\u003e\n\n\u003cp\u003eAs the birthstone for September, blue sapphire is traditionally associated with wisdom, sincerity and loyalty. Its timeless appearance has made it one of the most recognised gemstones used in engagement jewellery and heirloom-inspired designs.\u003c\/p\u003e\n\n\u003ch3\u003eGemstone Specifications\u003c\/h3\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 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 VVS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.60 Carat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Vivid Blue\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 7.00 × 5.30 × 4.50 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 certification from an authorised gemmologist confirming its identity as a natural blue sapphire and disclosing treatment information.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeller Notes:\u003c\/strong\u003e Seller describes this gemstone as a clean stone. Natural gemstones may contain internal characteristics visible under magnification that are consistent with natural formation.\u003c\/p\u003e\n\n\u003cp\u003eDue to the natural colour composition of the gemstone, slight colour differences may appear under different lighting conditions.\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. 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\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 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, with optional diamond accents.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Gemstone?\u003c\/h3\u003e\n\n\u003cp\u003eCeylon blue sapphires are recognised for their bright colour, attractive brilliance and versatility in jewellery design. The cushion cut offers a balanced combination of sparkle and classic appearance, making it a popular choice for custom jewellery.\u003c\/p\u003e\n\n\u003cp\u003eA 1.60 carat sapphire provides noticeable visual presence while remaining practical for a wide range of jewellery styles.\u003c\/p\u003e\n\n\u003ch3\u003eExplore Related Collections\u003c\/h3\u003e\n\n\u003cp\u003e\nBrowse our \u003ca href=\"\/collections\/blue-sapphire-gemstones\"\u003eBlue Sapphire Collection\u003c\/a\u003e,\nexplore all \u003ca href=\"\/collections\/\"\u003eLoose Sapphires\u003c\/a\u003e,\nor read expert insights in our\n\u003ca href=\"\/blogs\/gemstone-articles?page=3\"\u003eGemstone 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.\u003c\/p\u003e\n\n\u003cp\u003eReturns are accepted according to our published return policy, provided the gemstone is returned in its original condition.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eIs this a natural Ceylon blue sapphire?\u003c\/h4\u003e\n\u003cp\u003eYes. This gemstone is identified as a natural blue sapphire and is described as a Ceylon 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.\u003c\/p\u003e\n\n\u003ch4\u003eDoes the gemstone include certification?\u003c\/h4\u003e\n\u003cp\u003eYes. Certification 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, cushion cut and vivid blue colour 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":48782541455588,"sku":"1.60 crt blue R 99","price":1575.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/9569\/9940\/files\/naturalceylonbluesapphireloosestonecushioncut1.60crt-2.jpg?v=1776666691","url":"https:\/\/www.nashgems.com\/products\/natural-ceylon-blue-sapphire-1-60ct-cushion-cut-loose-gemstone","provider":"NASHGEMS","version":"1.0","type":"link"}