yes , some times you do while mining , just like random events really You can randomly get several gems while mining; sapphires, rubies, emeralds, or diamonds. Others, too, if you are a member. Don't let anybody cut them for you - "free gem cutting" is a scam: uncut gems are worth more.
Lvl 82 Skeltons can drop uncut oynx but vary rare
To cut diamonds, use a chisel on an uncut diamond in RuneScape. Further cut diamonds can be cut into bolts for rangers.
Prices are changing alot for diamonds, but right now an uncut diamond's price is 10,600 gp.
To get uncut diamonds you can get them as a monster drop, from one of the gem stores, buy from other players, or purchase through the grand exchange.
Uncut Dragonstone + 3 Runite Bars
more than €3000
about 100,000 dollars
The amount that uncut ruby's are worth varies great depending on several factors. The economy and the size of the ruby should be taken into consideration.
You don't. You can either mine it, buy it, or get it as a random event prsent.
A piece of Diamond that has not been cut and is able to be cut with a chisel.
All items fluctuate in price. No one can give a definite answer.