Does blue sapphire bring good luck?  The value of a sapphire, like any other gemstone, can fluctuate over time depending on market demand, availability, and other factors. However, high-quality sapphires are generally considered to be a good investment because they tend to hold their value well over time.  In general, the value of a sapphire is determined by a combination of factors, including its color, clarity, cut, and carat weight. The most valuable sapphires are those that have a vivid and saturated color, high clarity with minimal inclusions, and a well-proportioned and symmetrical cut.  Like other gemstones, the value of sapphires can be affected by trends and changes in the market. For example, a particular color of sapphire may become more popular or desirable among consumers, leading to an increase in value. Conversely, a decline in demand can cause prices to drop.  However, sapphires have a long history of being highly valued and sought after, and high-quality sapphires are likely to continue to hold their value well over time. For this reason, sapphires can be a good option for those looking to invest in a valuable and enduring gemstone.