Lapis lazuli has been royalty’s blue for six millennia — a rock of deep-blue lazurite spangled with golden pyrite and white calcite veins. Afghanistan’s Sar-e-Sang mines remain the source of the finest ultramarine material, once ground into the most expensive pigment in art history. Hardness 5–6.GEMIC Institute’s lapis is natural and undyed, certified by our Siem Reap laboratory, photographed piece by piece. Unique stones; worldwide tracked delivery with our 30-day inspection period.