You are looking at a very nice sterling silver amethyst heart pendant for sale. It is made out of genuine sterling silver and made in the U.S.A.  As you can see the silversmith work in this piece of jewelry is top quality.  

Pendant Measurements: 1.25" inches long
Amethyst Measurement: 6mm x 8mm oval
Weight: 3.5 grams 
Artist: Wayne DeSantis