{"product_id":"red-sultanite-ring-kefa-bil-mevt-color-changing-925-silver","title":"Sultanite Ring 925 Silver Kefa Bil-Mevt Color Changing Handmade","description":"\u003cp\u003e\u003cem\u003eKefa bil-mevti vaizan\u003c\/em\u003e — “Death is sufficient as an advisor.” A phrase carried by scholars, Sufi masters, and warriors across the Islamic world as a reminder of what matters and what does not. It is engraved on the inside of this ring — a private inscription, felt against the skin, not displayed to the world.\u003c\/p\u003e\u003cp\u003eOn the face: a sultanite stone, one of the rarest color-changing gems in the world, found only in Turkey. In daylight it reads green; under incandescent light it shifts toward purple or red. The change is caused by the stone’s unique absorption of light across the spectrum — a quality that no other stone replicates. Engraved by hand using traditional kalem işçiliği technique.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003cbr\u003eMaterial: 925 sterling silver\u003cbr\u003eStone: Natural sultanite — color-changing\u003cbr\u003eInterior inscription: Kefa bil-mevti vaizan\u003cbr\u003eTechnique: Hand engraving\u003cbr\u003eSizes: All sizes available — please double-check your size in the variants section before completing your order\u003cbr\u003ePersonalization: Message us for custom engraving options\u003cbr\u003ePackaging: Ships in a gift box, pouch, and silver polishing cloth.\u003c\/p\u003e\u003cp\u003eHandcrafted to order in Konya, Turkey by Reyhan Silver Jewelry — the historical capital of the Seljuk Empire and home of Rumi, carrying over 800 years of jewelry tradition.\u003c\/p\u003e","brand":"Reyhan Silver Jewelry","offers":[{"title":"US 3.75 \/ Ø14.7 mm \/ 46 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