What an absolute show stopper of a piece!! 
This rainbow moonstone is a constant rainbow in any lighting and is just so beautiful 💜

Rainbow Moonstone is thought to bring balance, harmony and hope while enhancing creativity, compassion, endurance and inner confidence.

It is believed to help strengthen intuition and psychic perception, especially offering us visions of things that aren't immediately obvious.

Rainbow Moonstone is regarded for “new beginnings” and is a stone of inner growth and strength. It soothes emotional instability, stress, and stabilises the emotions, providing calmness, inner peace and alignment.

It is also said to assist with health issues like insomnia and even fertility issues. Rainbow Moonstone is said to help in striking an emotional balance as well. In case you feel too confused or lost at times, wearing a piece of moonstone might help. Rainbow Moonstone are also known to possess protection effects from negative energies and help feelings of unease.

The Rainbow Moonstone is known for balancing hormonal and reproductive issues as well as emotions. As the moon cycles connect us to nature, the moonstone also reminds us that our lives also ebb and flow. ... The serene and tranquil energy of the Moonstone also invites creativity, healing and motherly protection.

Stone size (Large) 

28mm length by 17.5mm wide

band size is a stand O or size 7