Courteney Cox Arquette -- No Ring on It

10/12/2010 8:31 AM PDT
Courteney Cox Arquette was spotted yesterday after announcing she and husband of 11 years, David Arquette, were separating -- where one piece of jewelry was noticeably absent.

Courteney had no wedding ring on her left hand ... and, as we previously reported, David was seen sans ring too back on September 25.

Despite the missing bling, the couple says they "remain best friends and responsible parents to our daughter and we still love each other deeply."