{"product_id":"bi-color-tourmaline-n-cu-6-3x4-7mm-0-74cts-single","title":"Earth Mined Bi-Color Tourmaline 0.74ct Cushion 6.3x4.7mm – Untreated Loose Gemstone for Ring, Pendant \u0026 Jewelry Making – One Stone","description":"\u003cp\u003eA natural bi-color tourmaline, a cushion cut stone of 0.74 carats measuring 6.3x4.7mm, untreated and earth mined. Bi-color tourmaline holds two colours in a single crystal. Tourmaline is the birthstone of October and one of the most versatile gems for custom design, prized for its brilliance and its durability at 7 to 7.5 on the Mohs scale. This single loose stone is ready to be set into a ring, pendant, or pair of earrings, or kept as a collector's piece. Every gem is natural and hand selected by NNJ Designs. Care: clean with warm, soapy water and a soft brush, and avoid harsh chemicals and ultrasonic cleaners.\u003c\/p\u003e","brand":"NNJ Designs","offers":[{"title":"Default Title","offer_id":48293510807750,"sku":"14236","price":42.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0052\/0601\/6071\/files\/9-29-2026TourmalineListingPhotos-230.jpg?v=1791993880","url":"https:\/\/nnjdesigns.com\/products\/bi-color-tourmaline-n-cu-6-3x4-7mm-0-74cts-single","provider":"NNJ Designs","version":"1.0","type":"link"}