10k White Gold Diamond Heart Pendant (1/4 cttw, H-I Color, I2 Clarity), 18 for $139.99

Present her with a Valentine she can wear and enjoy every day. This dainty heart-shaped pendant shimmers with 43 tiny round near-colorless diamonds (1/4 cttw) in a setting of 10 karat white gold. Suspended from a unique heart-shaped bail and an 18-inch light rope chain, it's a beautiful adornment that will complement any outfit.