Shimmering Sterling Silver Lab Created Color Change Alexandrite Dangle Earrings Lab Created Color Change Alexandrite, Changes color from purple to green; Color change is as follows: Purple under daylight and incandescent light; Green under fluorescent light. .925 Sterling Silver; Weight: 6.4 grams, Length: 1.3" Each item comes shipped in a jewelry box Each item is designed and handcrafted by our artisans.