April birthstone, diamond, in addition to being a symbol of everlasting love, was once thought to bring courage. In Sanskrit, the diamond is called “vajra,” which also means lightning; in Hindu mythology, vajra was the weapon of Indra, the king of gods. ... The June birthstone, pearl, has long been a symbol of purity.
The Diamond, in its rarity and beauty, is a symbol of purity and innocence, of love and fidelity, and embraces strength of character, ethics, and faithfulness to oneself and others. It is indicative of the loving and open nature with which one came into the physical realm, and encourages the aspect of truth and trust.
Diamond is an energy amplifier. It is a stone that never requires recharging. It will bring strength and endurance to all energies and will enhance the power of other crystals.