The gemstone box lockets are designed around the properties of the gemstone. This is 'Peace', the stone is a free form rose cut amethyst. It's made from thick sterling silver and the size is 2.2 cm (not including bail) x 1.8 cm x 1.1 cm. 
The chain is 20 inches, sterling silver belcher, the embellishments are fine silver cast shells. 
Hallmarked sterling silver, giftboxed and special delivery included.