Karma is a notion that people get what they put in, what they deserve, and some equate it with the law of attraction: you attract the energy you emanate. What of a karma necklace, though? A karma necklace helps remind of the energy and actions we ought to put forth. A circle can be a symbol of other concepts, too:
A circle can represent unity, completeness, the circle of life, and eternity, to name a few! For that reason, these necklaces are strikingly beautiful and modern but also meaningfully symbolic!