{"product_id":"umba-sapphires-tanzania-41","title":"Umba Sapphires - Tanzania","description":"\u003cp\u003eUnheated Umba Sapphires from Tanzania’s Umba Valley in a remarkable range of natural colors. Umba material is generally not heated because it tends not to respond well to treatment—and with colors like these, there is little reason to anyway.\u003c\/p\u003e\n\u003cp\u003elarge parcel of sapphires that will cut many fine gemstones \u003cbr\u003e\u003cspan\u003e⁠\u003c\/span\u003e\u003cbr\u003e\u003cspan\u003e76 pieces \/ 50.143 grams \/ 250.715 carats \/ 3.29+ carats \u003c\/span\u003eaverage \/ AA+ grade (90+%)\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cspan\u003eEstimate: $3750 - $4000\u003c\/span\u003e\u003c\/p\u003e","brand":"Joe Henley Rough \u0026 Gemstones","offers":[{"title":"Default Title","offer_id":54416956555577,"sku":"15833x","price":3750.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0699\/0037\/0233\/files\/IMG_3866_dd2eaf63-41c6-4004-8029-3f8b32a0c94e.jpg?v=1788274106","url":"https:\/\/gemdragonauctions.com\/products\/umba-sapphires-tanzania-41","provider":"Gem Dragon Auctions ","version":"1.0","type":"link"}