On this episode of The Young and the Restless, Diane visits Nick after she learns the outcome of his custody battle. She is wearing a green printed dress similar to the ones shown below.
*Update 3/7/2011: Diane is also wearing a light pink ring.
It appears to be the Faceted Faux Stone Ring in Pink/Gold from Forever 21. It is pictured below.
Unfortunately, the ring is no longer available online. It retailed for $4.80.
To get Diane's look, see these other options.
$4.80 at Forever 21
$3.80 at Forever 21