4.00 CTW Black Opal Engagement Ring by Peermont
- Stone type: black opal and cubic zirconia
- Total number of stones: 61 (black opal: 1; cubic zirconia: 60)
- Total carat weight: 4 CTW
- Shape: cushion
- Cut: good
- Stone treatment: lab-created
- Metal: brass
- Plating: 18K white gold
- Band width: 3mm
- Full dimensions: 0.7” x 0.4” x 0.1”
- Ring sizing guide
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We lay out the basics—from color saturation to lab fabrication—on what you should know before buying gemstone jewelry.
The things you like are good indicators of the engagement ring you'll prefer.