The setting is plated with 18K white gold. It has 2 bright Butterfies have all its Mexican Fire Opal 4.8ct, each earring measured 2.4ct, 4 Round shape White Austria Crystals each piece measured 0.4ct. That is total 6.4ct for this setting. Amazing clarity and shimmering facets. whole setting of stud earrings each measured 15mm width x 45mm length