These 7x5mm oval Tanzanite, like all Tanzanite gemstones, were heat treated to arrive at this gorgeous blueish gemstone with purple highlights.  Robert set the gems, which weigh 1 carat each, in Sterling Silver Post Earrings.  
 
Tanzanite is a December Birthstone.
 
We'll be shipping this item in a very attractive Gift box and include a matching tote bag and crinkled paper. You'll be ready to present this gift in only a few minutes. All buttoned up, pretty, and sophisticated.