Promise her the world with the art deco-inspired beauty of this lab-grown diamond engagement ring from the neil lane artistry heritage™ collection. Platinum the centerpiece is a gorgeous 3-carat emerald-cut lab-grown diamond two trapezoid-cut lab-grown diamonds add a regal touch to the flanks elegant milgrain accents and round-cut lab-grown diamonds adorn the shank and bridge total lab-grown diamond weight is 4 carats independently certified