Starborn sources all Ethiopian Opal directly from artesian miners and small family businesses in Welo region in northern Africa, ensuring authenticity and top-notch quality. Ethiopian opal (Welo Opal) is unique, durable, and currently plentiful, and we highly recommend this gem as a best buy at this time. Starborn is high-grading all mined rough gem material by hand to deliver the best opals set in your jewelry.