Visit us
Visit our showroom in Moshi
By Mrema and the Gemstone Cutter (T) Investment team, Kibo Tower, Moshi · Updated 30 October 2026
- Address
- Kibo Tower Building, Ground Floor, Room 4B, Moshi, Kilimanjaro, Tanzania
- Opening hours
- Mon–Sat 8:30 am – 6 pm, Sun 9 am – 5:30 pm
- How to find us
- Follow the “Tanzanite Dealer” sign in the Kibo Tower corridor to Room 4B.
- Phone
- +255 754 476 287
- info@gemstonecutterinvestment.com, diarzlucas@gmail.com
Kibo Tower, Moshi
Finding our door
Come into Kibo Tower Building on the ground floor and look for the blue “Tanzanite Dealer” sign. It points along the corridor to Room 4B, where you will see our entrance.
What to expect
- Loose tanzanite and other gemstones, plus finished rings, pendants and earrings.
- A GIA certificate and our own Gemstone Cutter (T) Investment certificate with every stone.
- Time to compare stones in daylight, with no pressure to buy.
- Custom pieces made to order, and worldwide shipping if you would rather not carry your purchase.
Frequently asked questions
Where is your shop in Moshi?+
Kibo Tower Building, Ground Floor, Room 4B, Moshi, Tanzania. Follow the “Tanzanite Dealer” sign along the Kibo Tower corridor.
What are your opening hours?+
We are open Mon–Sat 8:30 am – 6 pm, Sun 9 am – 5:30 pm, seven days a week.
Do I need an appointment?+
No. Just walk in during opening hours. If you want to see particular stones, message us first and we will have them ready.
Can I see the stones in daylight?+
Yes. We are happy to show you stones in daylight and under different lights so you can see the colour change.
Keep reading
Tanzanite: the complete guide
What it is, where it comes from, colours, value and care.
Tanzanite price per carat
What a carat costs and why, with real prices from our shop.
Buying tanzanite in Tanzania
How to buy safely as a visitor, and what paperwork to ask for.
Questions & answers
Payment, certificates, delivery, custom orders and more.