{"product_id":"4-52-carat-unheated-ceylon-purple-sapphire","title":"4.52 Carat Unheated Ceylon Purple Sapphire","description":"\u003cp\u003e\u003cstrong\u003eNatural · Sri Lankan Origin · Antique Cushion Mixed Cut \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis natural purple sapphire is a substantial and highly individual collector stone, weighing \u003cstrong\u003e4.52 carats\u003c\/strong\u003e and displaying a soft-to-moderate violet color. Its appeal lies not in modern cutting perfection, but in the combination of \u003cstrong\u003eunenhanced color, documented Sri Lankan origin, notable size, and authentic antique cutting character\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe sapphire was fashioned as an antique cushion-shaped mixed cut, with a deep profile and a gently irregular outline. Its proportions and facet arrangement reflect an earlier approach to gemstone cutting, when cutters often prioritized preserving as much valuable rough as possible rather than achieving the strict symmetry and standardized proportions expected today.\u003c\/p\u003e\n\u003cp\u003eAs a result, the stone shows some visible asymmetry and does not present with the uniform precision of a contemporary cushion cut. For collectors of older gemstones, however, these characteristics can be part of its charm. They give the sapphire a distinct identity and preserve evidence of the cutting decisions made around the original crystal.\u003c\/p\u003e\n\u003cp\u003eThe gemstone is graded \u003cstrong\u003eModerately Included\u003c\/strong\u003e, and some inclusions are visible without magnification. These natural internal features should be viewed as part of the stone’s individual character rather than concealed. While they affect transparency in certain areas, the sapphire retains an attractive violet appearance and a strong physical presence.\u003c\/p\u003e\n\u003cp\u003eMost importantly, the accompanying report identifies the stone as originating from \u003cstrong\u003eSri Lanka, historically known as Ceylon\u003c\/strong\u003e, one of the world’s most respected sapphire-producing regions. The report also states that there is \u003cstrong\u003eno gemological evidence of heat treatment\u003c\/strong\u003e. This combination of origin, untreated status, antique cutting, and weight above four carats gives the stone meaningful collector desirability.\u003c\/p\u003e\n\u003ch3\u003eWhy Otzera Selected It\u003c\/h3\u003e\n\u003cp\u003eThis sapphire was selected for the authenticity of its presentation. It is not a standardized modern gemstone, and that is precisely what makes it interesting.\u003c\/p\u003e\n\u003cp\u003eIts collectible qualities include:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eA substantial weight of \u003cstrong\u003e4.52 carats\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDocumented \u003cstrong\u003eSri Lankan—or Ceylon—origin\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eNo evidence of heat treatment\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAn antique cushion-shaped cutting style\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVisible inclusions that confirm its natural character\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eA deep, weight-retaining cut shaped by traditional cutting priorities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAn individual outline and facet pattern unlike mass-produced modern stones\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCollectors who appreciate historic cutting methods often value the features that modern cutters might attempt to remove. The slight irregularities, depth, and retained weight give this sapphire a sense of history and personality.\u003c\/p\u003e\n\u003ch3\u003eGemstone Details\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGemstone:\u003c\/strong\u003e Natural Purple Sapphire\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMineral Species:\u003c\/strong\u003e Corundum\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e 4.52 carats\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMeasurements:\u003c\/strong\u003e 9.40 × 7.32 × 5.75 mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShape:\u003c\/strong\u003e Antique Cushion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCutting Style:\u003c\/strong\u003e Mixed Cut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eColor:\u003c\/strong\u003e Moderate Violet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eClarity:\u003c\/strong\u003e Moderately Included\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePolish:\u003c\/strong\u003e Good\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSymmetry:\u003c\/strong\u003e Good, with visible antique-cut irregularity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOverall Cut Assessment:\u003c\/strong\u003e Well Made\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTable:\u003c\/strong\u003e 51%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTotal Depth:\u003c\/strong\u003e 78.6%\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eGeographic Origin:\u003c\/strong\u003e Sri Lanka (Ceylon)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eEnhancement:\u003c\/strong\u003e None detected; no gemological evidence of heat\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eCertification\u003c\/h3\u003e\n\u003cp\u003eAccompanied by \u003cstrong\u003eCarte Blu Report No. 44090126\u003c\/strong\u003e, dated \u003cstrong\u003eOctober 11, 2019\u003c\/strong\u003e.\u003c\/p\u003e\n\u003ch3\u003eCare and Setting\u003c\/h3\u003e\n\u003cp\u003eSapphire is a durable gemstone suitable for jewelry, but this stone’s inclusions and antique proportions should be considered before setting. A protective custom mounting is recommended, particularly if the stone will be worn frequently. Clean with warm water, mild soap, and a soft brush, and avoid sharp impacts or aggressive ultrasonic cleaning unless the gemstone has first been examined by a qualified jeweler.\u003c\/p\u003e","brand":"otzera","offers":[{"title":"Default Title","offer_id":50986012049655,"sku":"8786352","price":2745.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0940\/9999\/6919\/files\/purplesapphire.png?v=1786016839","url":"https:\/\/otzera.com\/products\/4-52-carat-unheated-ceylon-purple-sapphire","provider":"Otzera","version":"1.0","type":"link"}