In this category you will find a variety of octagon glass jewels, octagon glass gems & octagon glass gemstones. We carry a great assortment of octagon glass gem jewels. Octagon glass gemstones come in an assortment of different sizes and colors. Octagon glass gem jewels have pointed backs and faceted tops with no holes and are used in beading and beading projects, jewelry making, jewelry repairing and as craft supplies for crafting projects. Vintage glass jewels, vintage glass gems, vintage glass gemstones.