E-6000 is safe for use with virtually every type of gemstone and works on wood, leather, vinyl, and canvas.
 Non-corrosive and self-leveling, E-6000 adheres in 5 to 10 minutes, and hardens to a clear, waterproof cure in 24 hours.

We advise against using superglue for jewelry-making projects.  Superglue discolors stones.
 It dries like glass, so its seal shatters like glass when piece is dropped.  

E6000 dries like rubber, so its seal acts like a shock absorber when a piece is dropped.

 Since it takes 10 minutes to set, you can move things around and reposition them during those 10 minutes.