Presenting a remarkable Natural Boulder Opal, weighing an impressive 17.57 carats and shaped in an oval cabochon cut with measurements of 20.3 x 18.71 x 6.92 mm. The cabochon cut enhances the opal's unique play-of-color, and its deep black hue adds a mysterious allure. With very eye-clean clarity, this opulent opal exhibits transparency and purity, ensuring a clear and vivid presentation of its mesmerizing colors. This sizable and immaculate Black Opal is a captivating choice for those seeking a statement piece that seamlessly combines size, brilliance, and the enchanting allure of opals.