The diamond in the center of the necklace is the largest at 3mm in diameter.
Graduated 4 Carat Diamond Tennis Necklace in 14K White Gold (17 g) (I-J, I1-I2), 17 Inch Chain by SuperJeweler This stunning graduated diamond tennis necklace is a true showstopper, sparkling from the distance and radiating in the light. Total gem weight is 4 carats. - Lifetime Guarantee - 60 Day Worry-Free Return - Graduated 4 Carat Diamond Tennis Necklace in 14K White Gold (17 g) (I-J, I1-I2), 17 Inch Chain by SuperJeweler This necklace features 153 diamonds in varying sizes in H-1 color, and I1-I2 clarity..