{"product_id":"unheated-tanzanite-ring-gemstone-flawless-tanzanite-stone-natural-tanzanite-loose-gem-december-birthstone-wedding-ring-stone","title":"Unheated Tanzanite Ring Gemstone, Flawless Tanzanite Stone, Natural Tanzanite Loose Gem, December Birthstone Wedding Ring Stone","description":"\u003cp data-path-to-node=\"7\"\u003eShowcasing an incredible 8.30 Carat unheated crystal, this Natural Bi-Color Tanzanite combines deep ocean blue with warm, golden champagne undertones in a breathtaking display of natural pleochroism. Precision-cut into a crisp, architectural 11.4 x 11.4 mm Asscher shape with a deep 8 mm pavilion, this showpiece gemstone offers bench goldsmiths and custom studio jewelers a standard 11.5mm square footprint that drops smoothly into pre-made or custom high-jewelry mountings.\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003eMined in the Merelani Hills of Tanzania, this gem is 100% natural and unheated—a rare state that preserves the raw, untouched golden-bronze and blue dichroism that heat treatment destroys. Featuring flawless eye-clean clarity and exceptional step-cut facet symmetry, light bounces through its deep pavilion to create a mesmerizing hall-of-mirrors effect. It is a prized focal point for bespoke engagement rings, luxury statement pendants, or high-end December birthstone creations.\u003c\/p\u003e\n\u003cp data-path-to-node=\"9\"\u003eGemstone Specifications \u0026amp; Attributes:\u003c\/p\u003e\n\u003cul data-path-to-node=\"10\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,0,0\"\u003eGemstone: Natural Tanzanite (Zoisite)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,1,0\"\u003eForm: Loose Ring \/ Jewelry Gemstone\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,2,0\"\u003eShape: Asscher Cut (Square Step Cut)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,3,0\"\u003eDimensions: 11.4 x 11.4 x 8 mm (Standard Calibrated Size)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,4,0\"\u003eColor: Bi-Color (Golden Champagne \u0026amp; Ocean Blue)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,5,0\"\u003eCreation Method: Natural\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,6,0\"\u003eWeight: 8.30 CT\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,7,0\"\u003eOrigin: Tanzania (Merelani Hills)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,8,0\"\u003eTreatment: None (100% Natural \/ Unheated)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,9,0\"\u003eQuantity: 1 Piece\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,10,0\"\u003eGrade: AAA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,11,0\"\u003eClarity: Eye Clean\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,12,0\"\u003eTransparency: Transparent\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,13,0\"\u003eDrilling: Undrilled\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,14,0\"\u003eCut Grade: Excellent Step Cut\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,15,0\"\u003eHardness: 6.5 - 7.0 on Mohs Scale\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,16,0\"\u003eOptical Effect: Rare Unheated Bi-Color Pleochroism \u0026amp; Step-Cut Mirror Reflections\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,17,0\"\u003eCertification: Available upon request\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"10,18,0\"\u003eCalibrated: Yes (Standard 11.5x11.5 mm Footprint)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003eJeweler Benefits \u0026amp; Bench Advantages:\u003c\/p\u003e\n\u003cul data-path-to-node=\"12\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,0,0\"\u003eStandard 11.5x11.5 mm Footprint: Precision calibrated square dimensions fit seamlessly into standard 11.5mm Asscher-cut prong, halo, or bezel settings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,1,0\"\u003eRare Unheated Collector Status: Less than 1% of tanzanite remains unheated, making this natural golden-blue variety highly sought after by luxury collectors and bespoke designers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,2,0\"\u003eFlawless Step-Cut Clarity: Eye-clean interior guarantees crisp step reflections with zero internal inclusions to disrupt light paths.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"12,3,0\"\u003eSingle-Source Provenance: Sourced directly from the iconic Merelani Hills deposit in Tanzania, the world's sole source for gem tanzanite.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"13\"\u003eGoldsmith \u0026amp; Setting Advice:\u003c\/p\u003e\n\u003cul data-path-to-node=\"14\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,0,0\"\u003eMetal Pairings: Exceptional in 18k yellow gold or rose gold to emphasize the golden champagne tones, or in platinum \/ white gold to create an icy contrast against the blue body color.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"14,1,0\"\u003eBench Handling: Set carefully using corner prongs, V-prongs, or protective bezel frames to safeguard the corners. Cleans safely with warm soapy water and soft brushes; avoid ultrasonic cleaners and extreme sudden heating.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":64808653783417,"sku":null,"price":2800.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0831\/6833\/0019\/files\/tanzanite-Photoroom.jpg?v=1791325409","url":"https:\/\/mineralsparadise.com\/products\/unheated-tanzanite-ring-gemstone-flawless-tanzanite-stone-natural-tanzanite-loose-gem-december-birthstone-wedding-ring-stone","provider":"Minerals Paradise","version":"1.0","type":"link"}