Octagon shape Sterling Opal Cabochon, 13x18mm, 11 carats, AAA grade front view
Octagon shape Sterling Opal Cabochon, 13x18mm, 11 carats, AAA grade front view
Octagon shape Sterling Opal Cabochon, 13x18mm, 11 carats, AAA grade front view
Video showcasing fire and color play in Octagon Sterling Opal Cabochon, 11 carats
Octagon shape Sterling Opal Cabochon, 13x18mm, 11 carats, AAA grade front view

Octagon Sterling Opal Cabochon, AAA Grade Gemstone, 11 Carats (13x18mm)

  • $141.17
  • 1 available
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Product Specifications
Stone Name Treated Monarch Opal Cabochon
Stone Color As Seen in Picture
Weight 11 Cts
Size Approx 13x18 mm
Quantity 1 Piece
Shape Octagon Shape
Treatment Lab Created
Back Side Flat
Quality AAA
Gemstone Type Treated
Country USA
  • Weight: 11 Cts | Size: 13x18mm | Shape: Octagon
  • The angled octagon facets create distinct light zones — you'll notice the color shifting in blocks rather than a smooth gradient
  • Best for: structured, modern jewelry designs, geometric pendant settings
  • Setting tip: a straight-edge bezel complements the octagon's clean lines better than a rounded one
  • Lab-created for stable, long-lasting color

Octagon Sterling Opal Cabochon, AAA Grade Gemstone, 11 Carats (13x18mm)

$141.17

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