Contact Us
We’re happy to help you choose the perfect diamond or piece of jewelry. In-person consultations by appointment.
Phone
+420 734 770 000
[email protected]
Opening Hours
Mon–Fri 09:00–16:30
Address
Kozí 916/5, 110 00 Prague 1
In-person meetings and showroom visits by prior appointment only.
All diamonds are kept in bank vaults. For your appointment, we’ll prepare a curated selection based on your requirements.
Let’s Talk About Diamonds
Consultation, appraisal, or selling your diamond.
In the press
"I see the future of the industry in a combination of science, technology and craftsmanship"
— Vladimír Kondratenko for WIRED
Our Office
In the historic center of Prague, steps from Old Town Square.
Address
Kozí 916/5, 110 00 Prague 1
Opening Hours
Mon–Fri 09:00–16:30
Phone
+420 734 770 000Company Headquarters
Registered Address
UMARUTTI s.r.o.
Kozí 916/5, 110 00 Prague 1
Company ID
41690885
VAT ID
CZ41690885
Bank Accounts
We accept payments in CZK, EUR, USD, GBP, PLN, and HUF.
CZK Account
Account Number
232686515/0300
IBAN
CZ10 0300 0000 0002 3268 6515
EUR Account
Account Number
478564323/0300
IBAN
CZ49 0300 0000 0004 7856 4323