• 20mm B-Grade round clear glass bubble dome cabochon

20mm B-Grade round glass cabochon, also called glass domes, and bubbles. The B-Grade domes have tiny cracks on the edges, that have arrived while the glass is cooling. When you put them into a bezel setting you may not even notice the cracks.

Size: 19.93mm diameter x 6mm high
Material: Glass (magnifying glass)

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About the Grading system for the Glass cabochons:

  • A-Grade - clear with no visible scratches or marks.
  • B-Grade - may have small marks on the bottom or small cracks on the edges, these generally don't show when inserted into a bezel setting.
  • C-Grade - small scratches on top, insignificant but there.
  • Seconds - with scratches on top, ideal for practising with, or kids classes, or for 'vintage, grunge or rustic', when imperfections are part of the design!
  • M - 'mystic', the glass is not crystal clear.
  • R - rounded bottoms, these domes are not suitable for using in bezel settings with low side edges, but are ideal in high-sided bezels, or crown edge and filigree edge settings.

20mm B-Grade round clear glass bubble dome cabochon

  • Product Code: 586-0020B
  • Base Material: Glass
    Priced and Sold By: Each
  • Availability: 999
  • $1.53
  • $1.22

  • Ex Tax: $1.06

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