“Many see colored stones as a safe haven in uncertain times. High-value clients at Joseph Gad have been looking into investment-quality gems as a “way to hedge many of the other assets they currently hold in their portfolios”, reports Gabriel Ammar, the New-York based company’s vice president of global operations. Known as a leading supplier of Colombian emeralds, sapphires and rubies, the firm has seen stones of over 10 carats become the most covetable among savvy investors…”