Princess Pristina (Pegasus) is green with chartreuse   hair with dark green tinsel.  She has a diamond shaped medallion with a dark red gem with a rainbow hue jeweled center which makes the gem appear green.  She has pink eyes.

Normal US release chartreuse   hair with dark green tinsel.

Comparison of red gem with rainbow effect worn off, the rainbow effect makes the stone appear green

UK variant, chartreuse mane with dark green, long turquoise tail with no tinsel, clear symbol with green gem (prong out)

UK variant, chartreuse mane with dark green, long Turquoise tail with no tinsel, round silver medallion with green gem 

 

MIB owned by collector1 - permission to use given by collector1