Describes something rare, important, or irreplaceable, often used for time, opportunities, resources, or items of high worth.
This experience is precious to me.
貴重な時間を無駄にしないでください。
Please don't waste your valuable time.
I want to cherish the precious time I got to talk with him.
Studying abroad became a valuable experience for me.
The expert provided us with valuable information.
貴重 simply means precious or valuable, while 高貴 in this sense adds a nuance of refined luxury beyond mere rarity.