Let her know she's the center of your world with this ravishing riviera necklace. 14k white gold pairs of channel-set baguette-cut lab-grown diamonds alternate with single round-cut lab-grown diamonds from end to end the lab-grown diamonds graduate in size toward the center total lab-grown diamond weight is a stunning 20 3/4 carats each round-cut lab-grown diamond is laser-inscribed with a unique gemscribe® serial number tongue clasp from the kay lab-grown diamonds collection