Discover the Astra Lab Emerald and Diamond Halo Round Cut Necklace. The delicate sterling silver chain is given a modern twist with the addition of subtle diamonds expertly placed throughout its length. The impressive 2.30ct lab-grown emerald is encapsulated in a halo of 0.20ct of H/SI quality diamonds, reflecting light and sparkling with every movement. And while this expertly crafted piece would make for a beautiful milestone marker, the timeless solitaire style makes this necklace an equally excellent choice as an everyday staple. Benefit from free worldwide delivery, sleek packaging and a 5-year guarantee with The Diamond Store.