Romance gets an elegant update with this sparkling round-shape and baguette diamond heart pendant necklace (1/2 ct. t.w.). 1/2 Carat Diamond Necklace Diamond Color Rating Code: I-J Diamond Color Rating Code: I2-I3 Diamond Shape: Round & Baguette Set in 10k yellow gold, 10k white gold or 10k rose gold Approx. length: 18"; approx. drop: 1"; approx. diameter: 9/10" Spring ring clasp closure