Tide | Pink Tourmaline Earrings | Nantucket RedPink Tourmaline Cushion Cut Stud Earrings Summer's Signature Spark The Tide Earrings in Nantucket Red The Tide Earrings bring summer vibes all year with their vibrant, cushion cut pink tourmaline stoneslike a slice of sunset, you can wear. Simple, coastal, and made to stand out. Topaz Earrings Details: AAA Quality Pink Tourmaline Cushion Cut 7 x 7 mm 14k Yellow Gold 4 Prong Cocktail Style Earring Mounts 14k Yellow Lightweight Friction Earring Backs