4.0ct Cushion Cut Moissanite Diamond Double Hidden Halo Engagement RingDesigned to turn heads and capture hearts, this 4. 0 carat cushion cut moissanite engagement ring is the definition of showstopping elegance. The center stonean ethically sourced, hand selected cushion cut moissaniteradiates brilliance with its soft square shape and dazzling facets. Nestled beneath the center stone is a double hidden halo, encircling the base in two shimmering tiers of lab grown diamonds for subtle yet striking sparkle at every angle.