When Is the Best Time to Buy Onyx Jewelry? Uplift your sense of style with the rich and verdant beauty of Sagacia Green Onyx jewelry. Made out of pure 925 sterling silver, and plated with rhodium metal, the pieces within our Green Onyx jewelry collection showcase nice deep green tones of 100% natural green onyx. As a stone, green onyx is known for its grounding as well as protective properties, and this gemstone also supplies the wearer with strength and perseverance. This gemstone jewelry will add a touch of sophistication to any outfit while inspiring trust and confidence in an individual. Purchase Sagacia's Green Onyx jewelry now and let it be your symbol of resilient nature.