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0.25 CTTW White Fire Opal and Amethyst Stud Earrings in 18K White Gold
- Stone type: white fire opal with amethyst accent stones
- Total number of stones: 15
- Total carat weight: 0.25 CTTW
- Shape: oval
- Push-back closure
- Stone treatment: genuine
- Birthstone of the month: February (amethyst) and October (opal)
- Metal: brass
- Plating: 18K white gold
- Full dimensions: 0.6”x0.5”
We lay out the basics—from color saturation to lab fabrication—on what you should know before buying gemstone jewelry.