The bar itself measures about 1 1/3 inches long and 2.5mm wide.
- Lifetime Guarantee - 60 Day Worry-Free Return - 1 Carat Natural Gemstone Rainbow Bar Necklace in 14K Yellow Gold (4 g), 18 Inch Chain by SuperJeweler There are two each of genuine ruby, created pink topaz, citrine, peridot, green amethyst, blue topaz and amethyst gemstones..1 Carat Natural Gemstone Rainbow Bar Necklace in 14K Yellow Gold (4 g), 18 Inch Chain by SuperJeweler This gemstone rainbow bar necklace features 14 various gemstones.