14K Yellow Gold Oval Peridot and Diamond Accent Birthstone Ring. The birthstone of August, peridot is known for its distinctive light green color and is said to bring strength, joy, prosperity, and good health to those who wear it. It is also known to bring harmony to romantic relationships and protect against evil, jealousy and even bad dreams. This delicate east-west peridot ring with accent diamonds is the perfect piece for your special someone