Finally, our most-loved Argyle pink diamond boab Tree of Life is available as a ring, showcasing the full spectrum of diamond delights. This stunning diamond ring is set with five rare Argyle pink diamonds, plus a white diamond, a green diamond, a yellow diamond and an orange diamond, for an impossible rainbow of sparkle amongst delicate 18 karat rose and yellow gold boab branches. Make the set complete with the Rainbow Tree of Life matching pendant.