Follow your own moon & stars, set the tone for the year with your birthstone ✨ Our Zira Ring will make you starry eyed. A striking crescent moon is encrusted with pave crystals, sitting next to a small star set with your choice of birthstone. Make it personal with the colour that represents you, or create the ultimate gift for someone special. Adjustable size. Material: 18K Gold Plated 925 Sterling Silver Stones: Swarovski crystal, natural pearl, imitation opal and turquoise.