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, 3.24ct, Umba, Tanzania, Untreated Unheated, vvs, stone is slightly flattish
Winza Sapphire Crystal Specimen, 7.92ct, Winza, Tanzania, Untreated, Unheated
Umba Sapphire, 4.08ct, Umba, Tanzania, Untreated Unheated, slightly included
Umba Sapphire, 0.48ct, Umba, Tanzania, Untreated Unheated
Emerald Preform Lot, 89.28ct, Sumbawanga, Tanzania, Untreated Unheated, no oil, 1.16ct-6.40ct, these are heavily included but a deep saturated colour, with the inclusions probably best to cab, works out to slightly under US$8/ct
Umba Sapphire Lot, 11.88ct, Umba Valley, Tanzania, Untreated Unheated, slightly to moderately included, 0.77ct-2.38ct
Ruby Crystal Specimen, 7.60ct, Tanzania, Untreated, Unheated
Emerald Crystal, 8.03ct, Manyara, Tanzania, Untreated Unheated, no oil
Colour Changing Sapphire Crystal Lot. 51.90gm / 259.50ct, Tanzania, Untreated Unheated, all pieces are crystallised on all sides! Super rare, new find
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
Winza Ruby, 2.83ct, Winza, Tanzania, Untreated Unheated, fractures inside, great for setting in jewellery as is
Winza Sapphire, 1.44ct, Winza, Tanzania, Untreated Unheated, vs-vvs slightly cloudy
Winza Sapphire Crystal, 2.21ct, Winza, Tanzania, Untreated Unheated, crystalized on both sides
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


