For more than 150 years, Boucheron has held an esteemed place in the rarified world of haute joaillerie.

FORBES: Boucheron's 'Crazy' Collection of Ladies Watches

While the 1980s and early '90s were dominated by power pieces from luxury brands such as Boucheron, today's looks are more individualistic.

WSJ: Off the Cuff Remarkable

As well as artists creating mini masterpieces in jewelry, there are also fine jewelers Bulgari, Boucheron and Gripoix, to name but three collaborating with artists to create unique partnerships.

WSJ: Join the (Secret) Jewelry Club

Its brands are Gucci, Bottega Veneta, Yves Saint Laurent, Alexander McQueen, Balenciaga, Brioni, Stella McCartney, Sergio Rossi, Boucheron, Girard-Perregaux, JeanRichard, Puma, Volcom, Cobra, Electric, Tretorn and Fnac.

FORBES: PPR Acquires Chinese Fine Jewelry Brand Qeelin

Today the luxury division of PPR consists of Gucci, Yves Saint Laurent, Sergio Rossi, Boucheron, Bottega Veneta, Stella McCartney, Alexander McQueen, Brioni, and Sowind Group with Girard-Perregaux and JeanRichard.

FORBES: PPR's Shift to Luxury, Sports and Lifestyle Is The Result of Dramatic Consumer Growth In Asia

For French jeweler Boucheron, who asked him to propose a design to celebrate its 150th anniversary, Mille came up with a predictably outrageous idea: 30 watches whose internal workings would be made from different precious stones.

FORBES: Magazine Article

Together they transformed the company, increasing its revenues by 32% a year between 1994 and 2002, and forming the Gucci Group with the acquisition of labels such as Yves Saint Laurent, Boucheron, Balenciaga and Alexander McQueen.

ECONOMIST: A question of inheritance