An Asian collector bought at auction, a diamond ring to gift his wife for the birth of their first child. So far nothing unusual, if not for the amount paid for the gem: a record $15.7 million.
* The piece consists of two diamonds. A 9.67-carat white and a 10.95 carats blue diamond, a very rare color. In 1972, the jewel was commissioned by the equivalent of $5 million. Talk about leverage…