i have a green lalique perruches vase are the value going anywhere
The value of any particular R. Lalique Vase depends on many things, among them are quality, condition and color (there are several different greens for example), as well as the method, timing, and cost of sale.
Assuming that the vase you are talking about is an R. Lalique Perruches Vase
, all things being equal, generally the last 20 years has seen a rise in the prices of green Perruches Vases. It's not a straight line, but looking at the big picture, there has been a steady increase over the last two decades.