https://www.gemsofeastafrica.com/products/umba-sapphire-4-18ct-umba-valley-tanzania-untreated-unheated-vs 2026-07-10T23:01:10+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0412_86915aaa-0fef-48bc-9155-38b40dfad80e.jpg?v=1783709391 Umba Sapphire, 4.18ct, Umba Valley, Tanzania, Untreated Unheated. vs https://www.gemsofeastafrica.com/products/umba-sapphire-2-87ct-umba-valley-tanzania-untreated-unheated-si-and-complicated-shape 2026-07-10T23:01:10+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0424_a3ab8154-a282-4578-9767-00c272b9c28d.jpg?v=1783709639 Umba Sapphire, 2.87ct, Umba Valley, Tanzania, Untreated Unheated. Si and complicated shape https://www.gemsofeastafrica.com/products/umba-sapphire-4-35ct-umba-valley-tanzania-untreated-unheated-moderate-to-heavy-inclusions-you-can-facet-it-with-the-inclusions 2026-07-10T23:01:10+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0433_27ec9365-5032-41c6-928f-813f295b15f3.jpg?v=1783709931 Umba Sapphire, 4.35ct, Umba Valley, Tanzania, Untreated Unheated. Moderate to heavy inclusions, you can facet it with the inclusions https://www.gemsofeastafrica.com/products/umba-sapphire-6-80ct-umba-valley-tanzania-untreated-unheated-slight-gunk-on-one-end-will-grind-off-on-pre-form-rest-vvs 2026-07-10T23:01:10+01:00 daily https://cdn.shopify.com/s/files/1/0087/4440/3008/files/IMG_0454_526a1ffb-0b54-4642-9731-edd911b7e006.jpg?v=1783715962 Umba Sapphire, 6.80ct, Umba Valley, Tanzania, Untreated Unheated. Slight ‘gunk’ on one end will grind off on pre-form, rest vvs