If the stars and mars aligned and were reimagined in a modern silhouette, these pink tourmaline hoops would reflect the extraordinary impact—with a scattering of lab-grown diamonds for otherworldly sparkle. 10k white gold 5. 0 x 3. 0mm pear-shaped pink tourmalines 1/15 ct. T. W. Of lab-grown diamonds f color/vs2 clarity hinged backs from the stellar star collection exclusive to zales