Bright Aluminum Chain Maille cage holds a Swarovski crystal in Vitrail Medium captive on an 18" Sterling Silver chain.  This crystal changes color from green to red/orange to gold, dependent on the way the light hits it.  There are a few additional colors in stock and ready to ship; there is also a wide array of other colors available to be custom made for you. 

Captive Swarovski Crystal Pendant