Stone Size: 14x10mm / .70 inches / 1.8cm each
Stone Material: Glass crystal in White Opal
Settings: Heavy cast Brass with your choice of plating (Gold plate is shown), offset loops to prevent the settings from flipping around and showing the back. 
Length: 16" (40.6cm) with a 2" extender chain for flexible sizing

14x10mm necklace, octagon necklace, opal