Still not sure what to get her for Valentines Day? Tiffany & Co. makes your decision a lot easier with the Rubellite Collection - a series of rare rubellite jewelry.  The deep, saturated red stones, which are part of the tourmaline family, appear similar to rubies and range from a brilliant pink to a lustrous scarlet in hue. Tiffany & Co. designs range from delicate earrings with diamond accents to large rings like the standout 8.53-carat emerald-cut rubellite ring set in platinum and surrounded by diamonds, $17,000. (www.tiffany.com)