facet stones, within the context of jewelry, are small gems which are commonly set on either side of a bigger, center stone in a piece of jewelry such as a hoop or a necklace pendant. these stones are used to complement and beautify the overall appearance of the jewelry piece, adding extra sparkle, shade, or visible hobby. side stones are frequently selected to complement the color and style of the center stone, and that they can be diamonds or different gems like sapphires, emeralds, rubies, or different treaYesd and semi-valuable stones.