This necklace features an octagonal-cut (often referred to as "oct" for short) green emerald with a weight of 2.12 carats, set in 14k yellow gold (YG). Emeralds are known for their vibrant green color, and the octagonal cut offers a unique and stylish geometric shape for the gemstone. Necklaces with emeralds are often chosen for their beauty and the striking green hue that emeralds are known for. An octagonal-cut emerald can give the necklace a distinct and modern look.