Diamonds are said to be of the first water when very transparent, and of the second or third water as transparency decreases. Diamond loses its brilliance with the health of the wearer, regaining it only when the owner recovers. The stone is capable of detecting poison by exhibiting a moisture or perspiration on its surface. Although assertedly a deadly poison itself, the Diamond is an antidote to poison. It also affords protection from plague and pestilence, and it cures insanity.
Diamonds give faith, purity, life, joy, innocence and repentance.
Diamond is best used with other stones in healing. It can be worn as a ring, pin or necklace. Diamond is good for developing concentration and the promotion of spiritual ecstasy. It is an all-purpose crystal covering the entire energy spectrum. It assists in the reaching of spiritual heights.