Sterling Silver 'Oneness' drop earrings with pearl: The Open Grail Symbol of Gilalai. The hallmarked earrings are 2.9 cm tall before the ear wires. This beautiful interlaced symbol of unity, of four hearts coming together, is the patented logo of Gilalai Institute for Energy and Consciousness, founded and run by Githa Ben-David and her husband Lars Muhl. Fundamental to the teachings of Gilalai is the truth that we can connect to the kingdom of heaven within us through the heart, where masculine and feminine energies merge.