https://www.gemsofeastafrica.com/products/umba-sapphire-3-70ct-umba-valley-tanzania-untreated-unheated-slightly-to-moderately-included-which-some-surface-gunk-to-be-removed-on-preform 2026-07-16T16:57:34+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0704_8991c21e-4726-450f-befd-d951c661e778.jpg?v=1783942291 Umba Sapphire, 3.70ct, Umba Valley, Tanzania, Untreated Unheated. Slightly to moderately included which some surface gunk to be removed on preform https://www.gemsofeastafrica.com/products/umba-sapphire-9-88ct-umba-valley-tanzania-untreated-unheated-slightly-to-moderately-included-which-some-surface-gunk-to-be-removed-on-preform 2026-07-16T16:57:34+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0707_72e56bd7-4fb9-4094-b950-5e46dadd750a.jpg?v=1783942656 Umba Sapphire, 9.88ct, Umba Valley, Tanzania, Untreated Unheated. Slightly to moderately included which some surface gunk to be removed on preform. See the backlit pics https://www.gemsofeastafrica.com/products/umba-sapphire-14-72ct-umba-valley-tanzania-untreated-unheated-slightly-to-moderately-included-with-a-crack-going-a-1-4-way-in-see-the-backlit-pics-i-have-circled-the-crack-to-its-side-there-are-some-minor-fissures-to-be-removed-before-faceting 2026-07-16T16:57:34+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0731_cad36d16-d819-48a2-8aad-65bcf0f88e89.jpg?v=1783943181 Umba Sapphire, 14.72ct, Umba Valley, Tanzania, Untreated Unheated. Slightly to moderately included, slight silk, crack going a 1/4 way in. See the backlit pics I have circled the crack, minor fissures to be removed before faceting https://www.gemsofeastafrica.com/products/umba-sapphire-18-37ct-umba-valley-tanzania-untreated-unheated-cabbing-grade-rough-yes-it-has-faceting-portions-but-tiny 2026-07-16T16:57:34+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0750_80b3fa3d-8461-4e1d-aeab-b43cb19a05e7.jpg?v=1783943742 Umba Sapphire, 18.37ct, Umba Valley, Tanzania, Untreated Unheated. Cabbing grade rough, yes it has faceting portions but tiny. https://www.gemsofeastafrica.com/products/umba-sapphire-14-30ct-umba-valley-tanzania-untreated-unheated-cabbing-grade-rough-cab-or-set-it-as-is-in-jewellery 2026-07-16T16:57:34+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0792_5bca598a-1b38-4d6b-b590-a4f538fb5057.jpg?v=1784039390 Umba Sapphire, 14.30ct, Umba Valley, Tanzania, Untreated Unheated. Cabbing grade rough, cab it or set it as is in jewellery https://www.gemsofeastafrica.com/products/umba-sapphire-lot-18-29ct-umba-valley-tanzania-untreated-unheated-too-included-to-facet-or-cab-set-it-as-is-in-jewellery 2026-07-16T16:57:34+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0799_ccccfc77-e153-4f5d-af28-45356097efb9.jpg?v=1784039772 Umba Sapphire Lot, 18.29ct, Umba Valley, Tanzania, Untreated Unheated, too included to facet or cab, set it as is in jewellery https://www.gemsofeastafrica.com/products/winza-sapphire-2-89ct-winza-tanzania-untreated-unheated-flat-stone-not-for-faceting-but-great-to-set-in-jewellery-as-is 2026-07-16T16:57:34+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0883_955549ca-bfa9-445f-b97f-f4e71699c50c.jpg?v=1784200092 Winza Sapphire, 2.89ct, Winza, Tanzania, Untreated Unheated, flat stone, not for faceting, but great to set in jewellery as is https://www.gemsofeastafrica.com/products/umba-sapphire-2-29ct-umba-valley-tanzania-untreated-unheated-slightly-included 2026-07-16T16:57:34+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0922_6add29ac-0ba7-4e91-acbd-bf4c10fa195c.jpg?v=1784203543 Umba Sapphire, 2.29ct, Umba Valley, Tanzania, Untreated Unheated. Slightly included https://www.gemsofeastafrica.com/products/umba-sapphire-3-61ct-umba-valley-tanzania-untreated-unheated-too-flat-to-facet-but-set-it-in-jewellery-as-is 2026-07-16T16:57:34+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0931_dc31755d-1f02-480d-9bd6-432a9dc2bfb7.jpg?v=1784207368 Umba Sapphire, 3.61ct, Umba Valley, Tanzania, Untreated Unheated. Too flat to facet but set it in jewellery as is https://www.gemsofeastafrica.com/products/winza-sapphire-2-89ct-winza-tanzania-untreated-unheated-there-is-a-moderately-included-facetable-portion-in-there-but-great-to-set-in-jewellery-as-is-or-cab 2026-07-16T16:57:34+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0951_9a334f0d-e51f-4fe2-b524-40e98a74d63a.jpg?v=1784207819 Winza Sapphire, 4.80ct, Winza, Tanzania, Untreated Unheated, there is a moderately included facetable portion in there but great to set in jewellery as is or cab https://www.gemsofeastafrica.com/products/winza-sapphire-lot-12-24ct-winza-tanzania-untreated-unheated-too-included-to-facet-but-set-them-in-jewellery-as-is 2026-07-16T16:57:34+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0963_3f161d29-0320-4d54-92f8-e5dce950bd64.jpg?v=1784208199 Winza Sapphire Lot, 12.24ct, Winza, Tanzania, Untreated Unheated. Too included to facet but set them in jewellery as is https://www.gemsofeastafrica.com/products/winza-and-umba-sapphire-lot-11-34ct-winza-tanzania-untreated-unheated-too-included-to-facet-but-set-them-in-jewellery-as-is 2026-07-16T16:57:34+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0970_5769b749-cd1d-466a-958f-bf2c52ef47db.jpg?v=1784210484 Winza and Umba Sapphire Lot, 11.34ct, Winza, Tanzania, Untreated Unheated. Too included to facet but set them in jewellery as is https://www.gemsofeastafrica.com/products/winza-sapphire-2-33ct-winza-tanzania-untreated-unheated-not-for-faceting-but-great-to-set-in-jewellery-as-is 2026-07-16T16:57:34+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0978_643f1075-fa7d-430d-8c59-e953a341b8d4.jpg?v=1784211698 Winza Sapphire, 2.33ct, Winza, Tanzania, Untreated Unheated, not for faceting, but great to set in jewellery as is https://www.gemsofeastafrica.com/products/winza-sapphire-crystal-2-87ct-winza-tanzania-untreated-unheated-flat-stone-not-for-faceting-but-great-to-set-in-jewellery-as-is 2026-07-16T16:57:34+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0985_c6ac9002-e644-4e40-bdb5-c64a9ae5c5f7.jpg?v=1784211984 Winza Sapphire Crystal, 2.87ct, Winza, Tanzania, Untreated Unheated, flat stone, not for faceting, but great to set in jewellery as is