The Art of de GRISOGONO. 163.41 ct. Emerald cut center diamond. Utter perfection and the culmination of over 6 months of expert artistry from multiple countries and continents. Look closely, there is a baguette cut diamond on top of each of the four prongs . The basket setting, by itself involved 100 hours of skilled labor. Each of the 18 individual emerald cut diamonds, the center diamond basket and necklace are pave set with 399 brilliant cut diamonds, (2.17 ct. tw.).