Tiffany & Co. Enamel Bamboo Stacking Rings 18k Yellow Gold Blue Green & RedTiffany & Co. enamel bamboo rings in 18k yellow gold, designed as slender stacking bands with glossy sections of color separated by polished gold nodes. The trio includes one ring in blue enamel, one in green, and one in red, creating an easy, highcontrast stack. These vintage Tiffany stacking rings work well as individual accent bands or worn together for a more graphic look. The saturated enamel and warm gold give them a distinct 1990s Tiffany feel,