A 10-carat blue diamond which could fetch $20 million when it goes under the hammer later this month was presented by auction ...

The 3-carat diamond price index dropped by 0.3% in April and by 0.9% year-to-date MOSCOW, May 7. /TASS/. Diamond prices surge dramatically in early April after announced customs tariffs in the US ...

Are expensive diamond rings always better? Discover how factors like cut, clarity, and carat weight impact quality, ...