Very pale green real gemstone which I believe to be an amethyst
Priced low because I cannot be sure
17mm at widest point 15 mm long
Beautiful cut, very sparkly
Silver 925 pendant marked 925 on heavy, textured loop   
Chunky, textured turret setting
10mm deep
New chain added 23"
Will send in a jewellery bag

Post an packing free in UK