If the stars and mars aligned and were reimagined in a modern silhouette, this pink tourmaline ring would reflect the extraordinary impact—with a scattering of lab-grown diamond accents for otherworldly sparkle. 10k white gold 5. 0 x 3. 0mm pear-shaped pink tourmaline 5. 0 x 2. 5mm marquise-cut pink tourmaline f color/vs2 clarity lab-grown diamond accents from the stellar star collection exclusive to zales