This show stopping Art Deco style half eternity band is .41 carats of VS2 to SI1 G-H diamonds, and 3.64 grams of platinum. The quintessential deco style "Dots and Dashes" band is appraised for $2300 (comes with 3rd party appraisal) and just insanely perfect.

It appears to be a "modern" ring - exact era is not determined, but it does have modern brilliant cut diamonds. 

Size 6.75 and sizable.