Evoking the timeless styling of days gone by, these Pink Tourmaline antique style rings connect you to the rich tapestry off all that have come before. Pink tourmaline is a birthstone of October, along with opal, and is a truly special gem. The deep rosy color of a pink tourmaline ring will be sure to attract attention. The birthstone of December, the intense deep blue color of a london blue topaz ring can evoke thoughts of warm Caribbean nights.