Rough that can be set as is into jewellery
Natural Gemstones - Direct Source. 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. Ships fast; stocks move 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. Pics and vids are taken from a phone with no enhancement and are heavily zoomed in, showing inclusions that may not be visible to the naked eye. What you see is exactly what we see here.
Umba Sapphire, 5.14ct, Umba Valley, Tanzania, Untreated Unheated. vvs, flat shape
Umba Sapphire, 14.53ct, Umba, Tanzania, Untreated Unheated, cabbing rough, or set into jewellery as is
Mahenge Spinel, 3.79ct, Mahenge, Tanzania, Untreated Unheated, flat shape, great for setting in jewellery as is
Umba Sapphire, 3.07ct, Umba Valley, Tanzania, Untreated Unheated, vs and slightly silky
Umba Sapphire, 2.00ct, Umba Valley, Tanzania, Untreated Unheated. Slightly included, milky with a very challenging shape
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, 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


