A cast ring with diamonds defining the feather. The ring and cast is $680. Diamonds can be from .02ct to .05ct stones. They are VS 1-2 and G/H color or better and are $32 a point. So....a .02 is 2 points and equals $64 each . The most common amount of stones used is from 11 to 19 stones.
Depending on stones required the ring would be from $680 to $4000.
Smaller feathers and rings are possible.