Place in main folder and type in game console "BAT GEMS"
V 1.1
Now gems will appear near you instead of inventory.For those who have bug with previous version.Also you will get 23 gems so you have to find 1 by yourself to start quest and then use cheat.
If you need less than 23 gems then open file and change "23" to what you need.
1.2
If you still can not complete then download optional file and type "bat gemsquest" then become full member of Thieves Guild and talk to Vex.If you need to remove gems after quests is finished type "bat gemsremove"
V 1.1
Now gems will appear near you instead of inventory.For those who have bug with previous version.Also you will get 23 gems so you have to find 1 by yourself to start quest and then use cheat.
If you need less than 23 gems then open file and change "23" to what you need.
1.2
If you still can not complete then download optional file and type "bat gemsquest" then become full member of Thieves Guild and talk to Vex.If you need to remove gems after quests is finished type "bat gemsremove"