1) Valuable = of great value, worth or use; helpful and important

• a valuable discovery.
• The villagers provided the police with some valuable information.

2) Valuable = A thing of great worth esp., a small item of personal property.

• I have kept all my valuables in a bank locker.

Invaluable = of value too high to be measured; extremely useful.

• His services are invaluable to me.
• An invaluable member of the organization.
• Such data will prove invaluable for his research.
• Mahatmaji rendered invaluable sacrifices for the freedom of India.