Fine blue sapphires are often compared to the colour of the cornflower. The name “cornflower” sapphire is one of the most popular colours of blue sapphire. The pictures show below.
The lovely blue of the cornflower is often used as a reference for fine blue sapphires.
The royal blue colour is the most difficult to show onscreen or in print.
One of the most popular royal blue sapphire ring is the princess Diana's sapphire ring.
Now the ring with Kate Middleton.
Royal blue sapphires are found in Madagascar, Myanmar, and Sri-lanka.