Opal Stone Cost: 5 Essential Points

Opal gemstones are renowned for their dazzling display of colors, which can range from fiery reds and oranges to vibrant blues and greens. This play of colors, known as opalescence, is caused by the diffraction and interference of light passing through the microstructure of the gemstone. The intensity and variety of colors exhibited by an opal greatly influence its value. Opals with a broad spectrum of colors and strong play of colors are generally more valuable than those with a limited color range or weaker play of colors.