Thank you all for your compliments. Would like to do a tutorial , but it has been so long and I do not have in the process pics. Maybe on the next one.
For a easy one, do one like this. NO GROUT! Clear glass over colored ball.
Just silicone heavy.
,
Or do this even easier one. Done on light globe. Glued with silicone, added solar light to top.
, 
