Exclusive private Alrosa Diamond showroom in St. Petersburg, Russia.
St. Petersburg's Astoria Hotel hosted the exclusive Alrosa Diamond traditional private showcase of investment grade diamonds, featuring 100 natural gemstones with rare characteristics.
Highlights of the collection were a 3.07 carat fancy pink purple diamond valued at over $1.5 million and a 32.78 carat fancy yellow diamond valued at over $1 million.
Photographs: Alexander Deminchuk/Tass.