These are Mystic Topaz halo stud earrings, characterized by a centerpiece stone with a vibrant, shifting rainbow, or "oil spill" iridescent effect. The main stone is a square cushion-cut or princess-cut Rainbow Mystic Topaz or a similar iridescent cubic zirconia. It is surrounded by a halo of small, clear stones, which may be cubic zirconia or lab-created diamonds. These are stud earrings featuring a classic halo setting that enhances the sparkle of the multi-colored center stone..5"
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