{"product_id":"natural-parti-sapphire-4-02ct-asscher-cut-loose-gemstone","title":"Natural Parti Sapphire 4.02 Ct Asscher Cut Loose Gemstone | Bi-Colour Green Yellow Sapphire","description":"\u003carticle\u003e\n\n\u003cp\u003e\u003cstrong\u003eNatural Parti Sapphire weighing 4.02 carats, featuring an Asscher cut, bi-colour green and yellow tones, 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 parti sapphire displays a distinctive combination of green and yellow colours within a single gemstone. Weighing 4.02 carats and cut in an Asscher style, it offers strong visual presence and geometric symmetry, making it suitable for custom engagement rings, pendants, and bespoke 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 Parti Sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.02 Carat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape:\u003c\/strong\u003e Asscher Cut\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Bi-Colour Green \u0026amp; Yellow\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\u003eParti sapphires are natural sapphires that display multiple colours within a single gemstone. Their distinctive colour zoning creates a unique appearance that differs from traditional single-colour sapphires, making them popular among collectors and buyers seeking one-of-a-kind gemstones.\u003c\/p\u003e\n\n\u003cp\u003eSapphire 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. The Asscher cut highlights symmetry, clarity, and colour distribution through its step-cut faceting pattern.\u003c\/p\u003e\n\n\u003cp\u003eAs the birthstone for September, sapphire is traditionally associated with wisdom, sincerity, and loyalty. Its durability and timeless appeal have made it a popular choice for engagement rings and heirloom-inspired jewellery.\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 Parti Sapphire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShape \/ Cut:\u003c\/strong\u003e Asscher 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 4.02 Carat\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eColour:\u003c\/strong\u003e Bi-Colour Green Yellow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 8.80 × 9.50 × 5.00 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 sapphire and disclosing treatment information.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSeller Notes:\u003c\/strong\u003e Clean appearance. Natural characteristics may be visible under magnification and are consistent with natural gemstone formation.\u003c\/p\u003e\n\n\u003cp\u003eColour appearance may vary slightly under different lighting environments due to the gemstone's natural colour zoning and bi-colour composition.\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.\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003eCustom Engagement Rings\u003c\/li\u003e\n\u003cli\u003eStatement Rings\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 using gold, rose gold, white gold, silver, and platinum settings, with optional diamond accents.\u003c\/p\u003e\n\n\u003ch3\u003eWhy Choose This Parti Sapphire?\u003c\/h3\u003e\n\n\u003cp\u003eParti sapphires are appreciated for displaying multiple natural colours within a single gemstone. The combination of green and yellow tones, large 4.02 carat size, VVS clarity, and Asscher cut make this gemstone an attractive option for buyers seeking a distinctive sapphire for custom jewellery or collecting.\u003c\/p\u003e\n\n\u003ch3\u003eExplore Related Sapphire Collections\u003c\/h3\u003e\n\n\u003cp\u003e\nBrowse our\n\u003ca href=\"\/collections\/blue-green-teal-sapphire?page=3\"\u003eParti, Teal and Blue Green Sapphire Collection\u003c\/a\u003e,\nexplore all\n\u003ca href=\"\/collections\/\"\u003eLoose Sapphire Gemstones\u003c\/a\u003e,\nor learn more through our\n\u003ca href=\"\/blogs\/gemstone-articles?page=3\"\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 applicable customs duties or import taxes.\u003c\/p\u003e\n\n\u003cp\u003eReturns are accepted according to our published return policy. Refunds are processed after the returned gemstone has been received and inspected.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eIs this a natural parti sapphire?\u003c\/h4\u003e\n\u003cp\u003eYes. This gemstone is identified as a natural parti sapphire from the corundum family.\u003c\/p\u003e\n\n\u003ch4\u003eWhat colours are present in this sapphire?\u003c\/h4\u003e\n\u003cp\u003eThis sapphire displays natural green and yellow colour zoning, creating a bi-colour appearance.\u003c\/p\u003e\n\n\u003ch4\u003eHas this sapphire been treated?\u003c\/h4\u003e\n\u003cp\u003eYes. This gemstone has undergone heat treatment, which is disclosed in the specifications.\u003c\/p\u003e\n\n\u003ch4\u003eDoes the sapphire include certification?\u003c\/h4\u003e\n\u003cp\u003eYes. Certification from an authorised gemmologist is included.\u003c\/p\u003e\n\n\u003ch4\u003eCan this gemstone be used in an engagement ring?\u003c\/h4\u003e\n\u003cp\u003eYes. Its durability, size, and Asscher 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. This 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":48775676723428,"sku":"4.02 crt biclr rum lt 12","price":3885.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0605\/9569\/9940\/files\/Bicolourpartisapphireloosestonesquareemeraldcut4.02crt-2.jpg?v=1776494553","url":"https:\/\/www.nashgems.com\/products\/natural-parti-sapphire-4-02ct-asscher-cut-loose-gemstone","provider":"NASHGEMS","version":"1.0","type":"link"}