Delicate 14k gold ring with top silver rhombus set with a ruby . 
It is a very delicate design ring that the top square line give the finger a longer look.  
The size of the ring is:
13 (53) European
6.5 u.s. 
The size of the top rhombus silver is:
11.4x7.45 mm 
0.45x0.30 in. 
The band width is:
1.35 mm 
0.053 in.