The Australian Boulder Opal Doublet Earrings with 18k gold are a luxurious and elegant piece of fine jewelry. The dangle/drop style earrings feature a beautiful doublet opal set in yellow gold. The main stone, a boulder opal, adds a touch of sophistication to any outfit, making it a versatile accessory for both casual and formal occasions. Perfect for someone looking to add a touch of sparkle and glamour to their jewelry collection.