<p>The 35-year-old actress commissioned London-based jeweller Robert Procop to make the piece for Pitt, whom she has been living for six years.<br /><br />"I can't tell you what it says, and you would need a microscope to read it. The technology is quite new. The hidden message is lasered on it," contactmusic.com quoted Procop as saying. <br /><br />Formerly a chief executive of upmarket jeweller Aspreys, Procop also revealed that he is going into business with the star to create a line called "The Style Of Jolie".Last year, the "Tourist" actress teamed up with Pitt to create a gold and silver collection for Asprey, with all profits donated to the Education Partnership for Children of Conflict, which she co-founded.</p>
<p>The 35-year-old actress commissioned London-based jeweller Robert Procop to make the piece for Pitt, whom she has been living for six years.<br /><br />"I can't tell you what it says, and you would need a microscope to read it. The technology is quite new. The hidden message is lasered on it," contactmusic.com quoted Procop as saying. <br /><br />Formerly a chief executive of upmarket jeweller Aspreys, Procop also revealed that he is going into business with the star to create a line called "The Style Of Jolie".Last year, the "Tourist" actress teamed up with Pitt to create a gold and silver collection for Asprey, with all profits donated to the Education Partnership for Children of Conflict, which she co-founded.</p>