Synthetic gemstones are man-made stones that mimic the appearance and properties of natural gemstones. They are created in laboratories using advanced technology, allowing for the production of gems that are often more affordable and environmentally friendly than their natural counterparts. Common synthetic gemstones include cubic zirconia and moissanite, which are popular alternatives to diamonds. These gemstones can be chemically and physically identical to natural stones, making them difficult to distinguish without specialized equipment. While synthetic gemstones are gaining popularity for their ethical and sustainable benefits, they are typically less valuable than natural gemstones due to their abundance and the controlled conditions under which they are produced.