The birthstone for June, alexandrite is a really unique colour, with warm and subtle tones of grey and lilac. This showstopping necklace features 7 alexandrite coloured crystals, each one 5mm in size and spaced out evenly along the length of the chain. The belcher style chain is 16 inches long with an additional 2 inch extender if you prefer to wear your necklaces a little longer. the curb height is 1mm and the necklace weighs 2.8g.