Sterling Silver Pear Oval Kite Heart Hexagon Emerald Coffin Cut Gemstone Engagement Promise Ring SetProduct Design: Black Rutilated Quartz Rings Set Design: The black gemstone signifies maturity and stability, reflecting women's independence and freedom. Wearing black rutilated quartz engagement ring can adjust our negative mindset and bad emotions. Blue Sandstone Rings Set Design: Blue sandstone implies success and progress, its deep and mysterious color resembles the starry sky, is implied as a distant dream. Wearing blue sandstone leaf ring make