These are blue topaz and Moissanite drop earrings set in antique gold finish. Gemstones: Main Stone: Typically features large, pear-cut or geometric-cut blue topaz. Accents: Often surrounded by a halo of cubic zirconia. Metal: Usually crafted pure 925 sterling silver Design Style: Drop/Dangle: They feature a two-part construction where a gemstone "drop" hangs from a top stud or connector. Geometric Framing: The main blue stones are often held in modern, geometric bezel or prong settings lined with smaller pavé-set CZ.