The radar images, which are themselves invisible, were artificially colored.

The consumption of artificially colored green beer is a common celebration.

Peter wondered if the boy's eyes were really blue, or if they had been artificially colored like his own.

Some had been artificially colored to the hue of a plastic jonquil.

Most of the agate used for ornamental purposes is artificially colored.

Most "black onyx" on the market is artificially colored.

The rainbow rose is a rose which has had its petals artificially colored.

The stone on display was a replica, a real diamond artificially colored by radiation treatments.

Baltic amber is sometimes colored artificially, but also called "true amber".

Christie's auctions a diamond known as Deepdene; it is later found to be artificially colored.