https://www.gemsofeastafrica.com/en-it/products/umba-sapphire-3-70ct-umba-valley-tanzania-untreated-unheated-slightly-to-moderately-included-which-some-surface-gunk-to-be-removed-on-preform 2026-07-15T04:22:11+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/en-it/products/umba-sapphire-9-88ct-umba-valley-tanzania-untreated-unheated-slightly-to-moderately-included-which-some-surface-gunk-to-be-removed-on-preform 2026-07-15T04:22:11+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/en-it/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 2026-07-15T04:22:11+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/en-it/products/umba-sapphire-18-37ct-umba-valley-tanzania-untreated-unheated-cabbing-grade-rough-yes-it-has-faceting-portions-but-tiny 2026-07-15T04:22:11+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/en-it/products/umba-sapphire-14-30ct-umba-valley-tanzania-untreated-unheated-cabbing-grade-rough-cab-or-set-it-as-is-in-jewellery 2026-07-15T04:22:11+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/en-it/products/umba-sapphire-lot-18-29ct-umba-valley-tanzania-untreated-unheated-too-included-to-facet-or-cab-set-it-as-is-in-jewellery 2026-07-15T04:22:11+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