Discover the Astra Lab Ruby and Diamond Halo Round Cut Necklace. The rich red 3.60ct ruby is surrounded by a halo of 0.20ct of HS/I quality, consciously created diamonds. The halo effect emits beautiful sparkle, and the illusion of an even larger centre stone, while the sterling silver chain is given a modern twist with small diamonds expertly crafted into it. Wear your new ruby piece every day or save for special occasions the choice is yours. When purchasing from The Diamond Store, benefit from free worldwide delivery, sleek packaging and a 5-year guarantee.