Louis Vuitton estate eternity ring. 18k yellow gold and diamond. French hallmarks. No significant age. Especially suitable for a man.
 
Measurements:
Weight is 11.3 grams. Marked with French size 57, which translates to a US size 8 (slightly bigger). Diamond is a little over 10 points. 
Description :
Very solid gold band, eternity ring. The outside with 7 raised gold half-spheres. One of these spheres is set with a brilliant-cut diamond. 
See story below. Very strong, masculine design. Classic, great quality.
Marks and Metal:
There are a host of marks on the ring. The inside is engraved Louis Vuitton 57 ECB 117 and 750 (for 18k gold). The mount around the diamond is engraved LOUIS VUITTON. The outside of the ring (top) has French owl mark for 18k gold and the outside on the side has the diamond-shaped lozenge with LV hallmark.      
Condition:
Good with minor wear commensurate with age.  Please see enlarged pictures and don't hesitate to ask questions which we will do our best to answer.   
THE STORY:
The ring makes a perfect wedding ring and is especially suitable for a man. 
While we do not know whether this inspired Louis Vuitton in the design, we do know that hundreds of years ago, people wore rosary rings. These rings had 'bumps' like these that acted as rosaries. With each prayer, the person would move to the next 'bump'.