Buying is widely considered the ultimate gemstone investment, as these "Rolls Royces" of the opal world are the rarest and most valuable variety . Primarily sourced from Lightning Ridge, Australia , they are prized for their dark body tone, which provides a dramatic canvas for vibrant "play-of-color". 💎 1. The Value Factors
: Rated on a scale from N1 (blackest) to N4 (dark gray) . The darker the base, the more the colors "pop," generally increasing the price.
Expect a wide range based on quality. Current market data suggests: How to Buy Opals
: Look for Red , the rarest and most expensive hue, followed by orange, yellow, green, and blue.