Because they offer more optical options, tablets, emerald cuts, hexagons, and squares are the geometric shapes of colored gemstones that are most in demand this year. A square sapphire with a crisp, brilliant cut or an Asscher cut sapphire with eight clear facets dazzle with greater refinement and a...

Waste is a serious problem. The World Bank estimates that 2.01 billion tons of solid garbage are produced globally each year. Even with that extremely conservative estimate, at least 33% of the trash is not handled in an eco-friendly manner. We can no longer afford to downplay the importance of wast...