Platinum

Set a diamond in a platinum mounting.

She has platinum blonde hair.

He has a platinum credit card.

A platinum blonde is a woman whose hair is so blonde that it seems to have the same grey colour as platinum.

At the moment, platinum jewellery is in fashion.

This isn't a good time to buy platinum.

Is gold more expensive than platinum?

Is gold cheaper than platinum?

Platinum is a chemical element with the symbol Pt.

This building is LEED Platinum certified.

We can offer the platinum service for fifty dollars extra.

I platinumed in Clash of Clans yesterday.