14K yellow gold pendant with 12 x 6mm pear lab grown Emerald 1.8 carat and lab diamond .08 carat total weight on an 18" box chain with a lobster clasp. Lab grown Chatham Emerald has the finest color and clarity seen only in the very best of mined gems. Gaze into a fine emerald and you see paradise in its lush green. The gems of goddesses, emeralds have long been a popular choice among icons. After perfecting the process for over 80 years, Chatham’s lab grown emeralds are green, clean and gorgeous.