October's birthstone is the wonderfully iridescent opal. Opals flaunt an abundance of colour play in each gem flashing fiery reds and calming greens in a single movement. Their iconic colour bursts are often likened to scenes of nature such as summer sunsets.
"The sky was pure opal now" - Oscar Wilde
Opals are uniquely formed in many different varieties and here are just a few of our favourites.