Sterling Silver Black and White Diamond Reversible Key Pendant (1/10 cttw, H-I Color, I2-I3 Clarity), 18 for $102.21

The versatile Sterling Silver Black-and-White Reversible Key Pendant offers two necklaces in one. Flip the 925 sterling silver key to one side for sparkling white diamonds, or change it up by choosing the side with black diamonds for a more mysterious look. Hanging from an 18-inch cable chain with spring-ring clasp, this pendant measures 1.75 inches and rests at just the right place on your neck for maximum flattery.