We generally associate Sapphire with blue, but actually this form of the mineral Corundum can be found in all the colours of the rainbow.
All except red Corundum are called Sapphire - the red version is known as Ruby.
The blue Sapphires I have used here are faceted to give a subtle sparkle when they catch the light.
Sapphire is associated with truth, justice and divine protection.
Sapphire is a birthstone for September and Virgo.

Moonstone is also a birthstone for September and Virgo.
In Hindu mythology, moonstone was considered to be solidified moonbeams.
In ancient Rome, the stone was linked to the Moon Goddess Diana and was thought to bring love, wealth and success.
Moonstone is one of India's traditional wedding gifts, and is thought to bring luck in love.
Many ancient cultures associated the stone with the moon - when light strikes moonstone, a phenomenon called "adularescence' can be seen, a shimmer which looks very like moonlight shining through thin clouds.