This pendant measures about 1 1/2" by 1" - the glass is hand cut and the trees all vary slightly in size.The white glass has a rainbow opalescent coating which can result in a different color of shimmer in each custom pendant.  Sometimes it can be blue, red or yellow.  I never know how it is going to fire until the pendant is complete.  The shimmer is very slight and it is just a hint of color.  It always turns out beautiful.