No reserve price - 1 pcs Grey, Red, Blue, Green, Orange, Violet, Multicolour Opal - 15.65 ct - International Colored Gemstone Association (ICA GemLab)

This remarkable opal weighing 15.65 carats is characterized by a captivating play of multiple colors including grey, red, blue, green, orange, violet, and more, certified by the International Colored Gemstone Association (ICA GemLab). Opals are unique gemstones formed from hydrated silica, prized for their iridescence known as 'play-of-color,' which results from light diffraction within microscopic silica spheres inside the stone. The diversity of colors seen in this opal makes it especially eye-catching and valuable. Certifications from ICA GemLab ensure the gemstone's origin, natural status, and quality. Such multicolored opals are treasured for their one-of-a-kind appearance and are often featured in bespoke jewelry designs where their captivating colors can be showcased.