Round Opal Loose Gemstones 20PCS | Fire & Multicolor Opal Cabochons for Jewelry Making | 3mm–10mm | October Birthstone Stones

Premium Round Opal Cabochons for Jewelry Making

Create your own masterpiece — these Round Opal Loose Gemstones are premium quality opal cabochons with beautiful fire and multicolor play-of-color, perfect for custom rings, pendants, earrings, and bridal jewelry designs. Sold in sets of 20 pieces per color option.

Stone Details

• Stone Type: Opal Cabochon
• Shape: Round
• Finish: Smooth Polished
• Color Options: Color 1 (20 PCS) | Color 2 (20 PCS) | Color 3 (20 PCS)
• Available Sizes: 3mm, 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 6.5mm, 7mm, 8mm, 9mm, 10mm
• Birthstone Month: October

Perfect For

• Custom ring and pendant making
• Earring and bracelet designs
• Bridal and fine jewelry creation
• Jewelry designers and hobbyists
• October birthstone jewelry projects

Frequently Asked Questions

How many stones are included?
Each order includes 20 pieces per color option selected.

What sizes are available?
12 sizes from 3mm to 10mm — select your preferred size above.

What are the 3 color options?
Color 1, Color 2, and Color 3 each represent different opal color variations. Select your preferred color above.

Is opal the October birthstone?
Yes — making these stones perfect for October birthstone jewelry projects.