Kim Kardashian shared a behind-the-scenes look at her outfit, including her Moussaieff jewelry, that she wore at Lauren ...

A 7.03-carat fancy deep blue diamond mounted on a platinum ring by London high jewelry house, Moussaieff, is the top lot at Christie’s Geneva Magnificent Jewels sale. The blue rectangular-cut ...

Consider another Moussaieff piece, a 4.29-carat marquise-cut, internally flawless, fancy vivid blue diamond ring that sold for about US$11.6 million at Christie’s in November 2016 in Hong Kong.

The Moussaieff family were in the gem trade for generations. In 1963, Moussaieff Jewellers opened its Park Lane showrooms. This was followed in 2006 with the opening of a magnificent flagship ...