A large oval Lapis in a sterling silver border setting.  On a 20 inch sterling silver 1.3mm cobra chain with a bolt ring clasp.
Measurements 
Lapis 3.5cm   x 1.7cm 
Chain  20 Inch
Lapis lazuli, or lapis for short, is a deep-blue metamorphic rock that has been prized since antiquity for its intense color.