Buy Black Opal Site
: The single most important factor. Scale ranges from 1 (faint) to 5 (brilliant/gem quality) . A bright N4 stone is often more valuable than a dull N1 stone.
: Rated on a scale from N1 (blackest) to N4 (dark gray) . The darker the base, the more the colors "pop," generally increasing the price. buy black opal
: Look for Red , the rarest and most expensive hue, followed by orange, yellow, green, and blue. : The single most important factor
Unlike diamonds, opals have no universal grading system, but their worth is driven by these core elements: the more the colors "pop