Sterling Silver Aquamarine and Rose Quartz Drop Necklace18" + 2" extension sterling silver necklace with rough cut 6mm x 11mm aquamarine stones and rough cut 12mm x 17mm rose quartz stones leading to a centered sterling silver 11mm open circle. From the circle hangs a 1. 8 in drop including a rough cut 6mm x 6mm rose quartz square, rough cut 8mm aquamarine circle, an a rough cut 20mm x 11mm rose quartz pear drop stone. This necklace has a lobster clasp closure. . 925 Sterling Silver