Riah Solitaire Mangalsutra by CaratLane. Halo diamond mangalsutra available in 18 karat warm yellow gold. This particular diamond mangalsutra has 3.800 g yellow gold and IJ-SI diamond weighing 0.526 ct. It holds an enthralling aura with the spectacular round cut diamond accented in the center. Augmented by classy black beads for an added poise and panache. The best part of this piece is that it can be worn with both contemporary and traditional styles.