5.37ct Mozambique Tourmaline, VVS-IF, Untreated Unheated.

$160.00 $81.00

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5.37ct Mozambique Tourmaline, VVS-IF
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Gems Of East Africa

We are UK based with our own buying office at source, on ground, in Arusha, Tanzania.

Buying Office: Arusha Tanzania

Selling From: London, UK, through this website, online since 2002.

Super Fast FedEx priority shipping at $40/pack (so fill up and check out). With a super deal we made with FedEx, FedEx will get it to you next-day to most places in the US and 2-3 days anywhere else in the world! We also offer Registered Mail shipping, Tracked and Signed, to anywhere in the world $20/pack will take 5-14 days. Options for shipping choice available on checkout.


Create A Pack With Us - You can keep on adding to your pack here with us till you are ready to ship, use the 'add to my pack to combine with another purchase for later shipping' option on checkout. You can keep on adding till you are ready to ship. Goods will need to be paid for in order for us to add them to your pack.

We are UK based gem dealers that source our stones directly from miners at source, on the ground in Tanzania.

We have some of the lowest prices on the planet and supply everyone from the general public to jewellers/designers, wholesalers/gem dealers, and collectors. We also supply many online jewellers, re-sellers as well as online designers. We are also currently supplying most of the online wholesalers in the US.

We source directly at source in Arusha, Tanzania, from our own buying office there.

We buy DIRECT from miners on a one-to-one basis, this is easy as we speak most of the local languages.

So knowing where our stones come from, where they are mined and who mines them, we make sure ALL stones are ethically sourced and that we have created a "win-win", long-term relationship, that is sustainable and workable for miner and us.

We buy mostly from small scale, artisan miners who with decades of business with them, know them all personally and make sure a good portion of the proceeds of mining and sales are plugged back into the community and areas where the miners live, to assist with schools, medical clinics, women empowerment groups, continuous education programs, as well as orphans and social development programs. We make sure mining is done with minimal impact to the environment, so that when mining is over, the earth is covered up and used for farming. We have in the past, shown small miner groups how to be structured and how to obtain finance from the government as well as government mining support to them. We offer technical support as well as market info which helps miners grade their goods at the mine before coming to us.

Whenever we buy from miners, we make sure they are HAPPY selling to us, and they are smiling, so all your stones are from happy miners!!

We have been on the gem scene for a long time, 4 decades.

If you need a particular type/quality of stone and can't see it on the website, then please do reach out and ask us if we can find it for you. We can even source it directly from a miner for you.

We are members of the National Association of Jewellers in the UK and the International Gem Society.

We import everything here to the UK and then put them all on the site, making it easy for you to pay for and buy.

We accept all cards, PayPal, bank wire, Apple/Google pay, and ship via FedEx/Registered mail to anywhere in the world.

We have a 14 day return policy, making it easy and safe for you to buy.

Please feel free to reach out to us at any time, we are always happy to answer any questions.

Based on 40 reviews
16.39ct Massive Chrome Tourmaline, Laletema, Tanzania. VVS - IF, Untreated Unheated, stone is a little dark as with all large Chrome Tourmalines
Peter Wates
Great Material & Excellent Service

The extensive series of images enabled an accurate assessment of the rough's potential - very important given the cost of the piece. Fast service too.

21.85ct Chrome Sphene Crystal, Tanzania, Very Rare, Faceting Grade
Magnificent Minerals

I'm still in awe of how amazing these gemstones are, the colors are so beautiful!

57.57ct Ruby and Sapphire Mixed Lot, 0.85ct-2.23ct, Tanzania, Untreated Unheated, Most of the lot are clean to eye clean, a few are si to I
Philip Watkins

Received parcel of Ruby and Sapphire. They look great and have cut 1 piece to produce a 0.73ct gem. Will send a pic. Thankyou

17.82ct Mandarin Spessartite Garnet Lot, Loliondo, Tanzania. Untreated Unheated. 2.31ct - 3.61ct. VVS
Philip Watkins

I have received the parcel in good order. The stones are very nice. I have already cut 1 piece and gem is VVS, very brilliant and colour is great. Thankyou
I have attached a pic of 1.13 ct gem.

36.97ct / 7.39gm Fancy Tanzanite Lot, Untreated Unheated, Tanzania. 1.10ct to 2.11ct Very slightly included but all eye clean
Sarah Healey

Just as described. Quick shipping, thank you!

4.72ct Spinel, Tunduru, Tanzania. Untreated Untreated. STRONG SILK
Size is big

Sounds good.


I just cut a 12 x 10 emerald from one of the pieces. Absolutely beautiful material.! I will be purchasing more!

20.59ct Exceptionally Rare Peach Pink Scapolite Crystal, Tanzania, Untreated Unheated, Facetable Grade
Peter Wates
A most unusual gem

A most unusual colour for scapolite. Ali was very quick to respond to my questions regarding clarity and position of flaws and was very helpful. The crystal was exactly as described, and it arrived in secure packaging and with fast delivery.

25.14ct Exceptionally Rare Peach Pink Scapolite Crystal, Tanzania, Untreated Unheated, Facetable Grade
Peter Wates
A most unusual gem

A most unusual colour for scapolite. Ali was very quick to respond to my questions and was very helpful. The crystal was exactly as featured, with secure packaging and fast delivery.

29.22ct Exceptionally Rare Peach Pink Scapolite Crystal, Tanzania, Untreated Unheated, Facetable Grade
Peter Wates
A most unusual gem

A most unusual colour for scapolite. Ali was very quick to respond to my questions and was very helpful. The crystal was exactly as featured, with secure packaging and fast delivery.

50gm LOTS of EVERYTHING mixed. Tanzania. Faceting Grade, blind pour
Roy Scott
Great bargain

Great bargain many facetable gems. Too bad I bought the last. Hopefully these will return! Great experiences as always!

2.78ct Winza Sapphire, Tanzania, Untreated Unheated. Dividing crack
델 김

I got the jewelry today and I can't believe I got this lovely kid. I need to order some more jewelry

2.26ct Kornerupine, Tanzania. Untreated Unheated.
Tom Nichols

Like I said, your office did everything right. The order is exactly as advertised. Your prompt attention to detail was very professional. Thanks

4.50ct Mahenge Garnet, Tanzania. VVS
Dana Reynolds
Always a Pleasure...

After over 5 years of buying from Ali I have yet to be disappointed in anything I have got from him; nice rough, reasonable prices, and complete professionalism.. Thank you...

6.22ct Spessartite Garnet, Tanzania. Untreated Unheated. VS-Slightly Included
Dana Reynolds
Vivid Gem Spessartite !!!

I truly look forward to taking this rough to the lap. It will cut such a vivid and bright gem with good carat weight return.. Always a pleasure dealing with Ali !!!

6.88ct Almost colourless with very slight Pink, Fancy Tanzanite, Tanzania, Untreated Unheated, VVS-IF
Dana Reynolds
Pleased once again !!!

Wonderful stone that will cut a near flawless bright and lovely gem. Thank you again for having such good rough at reasonable prices...

35.93ct Champagne Garnet Lot, Tanzania. 3.70ct-7.85ct. VS-Si
Dana Reynolds
Always a Pleasure !!!

Ali is the BEST !!! I have been a customer of his for over 10 years and I am NEVER disappointed in the quality and price of the rough and cut stones I have received from him. He is the first place I go when I am looking for rough or cut from that part of the world. It is so refreshing to deal with such an honest and kind man.. Thank you again for the many years of great service and products.

Spinel Pair, 2.22ct total weight. Tunduru Tanzania. Untreated Unheated
Deborah Laughlin
Stunning Gems

I received the stones and they are stunning!!! The shipment was super fast also. This is my second purchase, the first was also awesome! I will buy more!!

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5.37ct Mozambique Tourmaline, VVS-IF, Untreated Unheated.

$160.00 $81.00