A Gold Tone White Pearl Opal Ring can be an exquisite and eye-catching piece due to the unique play of colors within the opal. Here are some key points to consider when looking for a natural white or black opal ring:

1. Opal Type:

• White Opal: Features a lighter base color, often milky white, with flashes of various colors like blues, greens, reds, and pinks.
• Black Opal: Has a darker base, usually black or dark blue, which enhances the vivid play of colors, making them appear more striking.