Ruby Sapphire Emeralds
Buying office: Arusha, Tanzania; Sales and Shipping: London, United Kingdom. All items on the website are in our UK office, ready to ship to you. We ship fast, stock moves quickly, so buy now. All natural, untreated, unheated unless otherwise stated. The best way to do it is just add to cart, what you need as you go along, you may not find it again due to so much that we add on site.
Umba Sapphire, 3.62ct, Umba Valley, Tanzania, Untreated Unheated. Heavily included with silk
Umba Sapphire, 3.80ct, Umba Valley, Tanzania, Untreated Unheated. Moderately included with silk and a challenging shape
Umba Sapphire Lot, 333.58gm / 1667.91ct, Umba Valley, Tanzania, Untreated Unheated. Not for faceting, but great for small cabs, setting in jewellery, polishing and art, works out to slightly under US$0.8/ct
Umba Sapphire, 1.97ct, Umba Valley, Tanzania, Untreated Unheated. Vs-Si
Umba Sapphire, 2.56ct, Umba Valley, Tanzania, Untreated Unheated. Vs, colour shift, see pics
Umba Sapphire, 36.87ct, Umba, Tanzania, Untreated Unheated, cabbing rough, or set into jewellery as is, flat shape
Umba Sapphire, 17.76ct, Umba, Tanzania, Untreated Unheated, set into jewellery as is, flattish shape
Umba Sapphire Crystal, 4.68ct, Umba, Tanzania, Untreated Unheated, not for faceting, set into jewellery as is
Umba Sapphire, 5.99ct, Umba Valley, Tanzania, Untreated Unheated. Slightly included (tiny scattered white spots) Flattish stone with a challenging shape, you can cut a portrait or tablet cut
Umba Sapphire, 7.13ct, Umba Valley, Tanzania, Untreated Unheated. Slightly to moderately included (tiny scattered white spots) Flattish stone, you can cut a portrait or tablet cut
Umba Sapphire, 4.81ct, Umba Valley, Tanzania, Untreated Unheated. Colour changing. Flat stone, you can cut a portrait or tablet cut from this, or set it in jewellery as is
Umba Sapphire Lot, 27.81ct, Umba Valley, Tanzania, Untreated Unheated. Too flat to facet but set them in jewellery as is
Umba Sapphire Lot, 4.69ct, Umba Valley, Tanzania, Untreated Unheated. Too flat to facet but set them in jewellery as is
Umba Sapphire Crystal, 8.21ct, Umba, Tanzania, Untreated Unheated, not for faceting, set into jewellery as is
Umba Padparadscha Sapphire Lot, 36.23ct, Umba Valley, Tanzania, Untreated Unheated, all included so not for faceting. But great for setting in jewellery as is
Umba Padparadscha Sapphire Lot, 5.91ct, Umba Valley, Tanzania, Untreated Unheated, Si-vs, 0.98ct, average size. Tiny stones


