Forbes contributors publish independent expert analyses and insights. Specialist in global markets, economics and alternative investments. Insuring diamond jewelry has traditionally been simple. The ...

Diamond prices worldwide continue to decline amid a global luxury market slowdown and competition from lab-grown alternatives. The Guardian, citing data from jewelry analytics firm Tenoris, reported ...

Diamonds, once revered as a symbol of "eternal value" and commanding the highest prices among gemstones, are seeing their value collapse. Unlike gold prices, which have more than doubled over the past ...