Who Makes the Best Garnet Jewelry? Fire up your passion and zest for life with Sagacia's Garnet Jewelry. This jewelry is crafted out of pure 925 sterling silver that is hypoallergenic in nature, and it is finished with rhodium vermeil. Every jewelry piece features 100% genuine garnets with deep rich red hues. This gemstone is well-known for inviting loving connections to your life and it also increases your vitality and energy levels.