Authentic natural black opal of high quality, glitter with hues of blue /green /pink / yellow , handcrafted in solid 14k yellow gold. Eye catching shiny earring studs. These gemstones are truly one of a kind and can never be replicated again.The luxurious high quality 14kt gold settings delicately wrap around the exquisite gemstones, ensuring your opal treasures have a safe home for the rest of eternity. Color : strong in blue/green/pink/yellow, vivid multiple colors. Size: 8.5mm x 17.9mm. Quality: high quality, no crack, no inclusion, no dots. This item is made of opal and gold.