Capturing the essence of Australia's unique landscapes, this Massive Gamble Natural Coober Pedy Solid Opal boasts a stunning array of bi-colour and multicolour patterns. Mined with care, this loose gemstone weighs 13.52ct and displays an impressive play of colour, iridescence, and opalescence, making it a premium choice for enthusiasts and collectors alike. The gemstone's excellent cut grade ensures that its natural beauty is showcased to the fullest, with eye-clean clarity that promises a mesmerising display. Measuring 18mm in length, 20mm in width, and 9mm in depth, this raw, unenhanced Black Opal is a testament to the rich, vibrant heritage of Australian gemstones.