diamonds Russia
Alrosa calls for end to $25,000 ceiling on individual diamond exports.
Like a Russian nesting doll, one diamond is inside another.
Alrosa to announce timetable within two weeks, with exchange likely open by 2016.
A deal worth at least $60 million a year is close between Russia's largest diamond mining company and the US giant Tiffany & Co.
Massive Siberian source of diamonds formed by an asteroid 35 million years ago can 'overturn entire world gem market'.
New enterprise will work with rough diamonds from Alrosa, which holds the world's largest reserves in Yakutia.
President Yegor Borisov in high level meetings in United Arab Emirates.
A 44 per cent decline in diamond production was announced by Russian gem producer Alrosa.
Sparkling discovery of precious gems in solidified lava of Tolbachik flare-up.
Sent to Siberia
Born in Siberia
