In 2023, Japan imported $2.975 million worth of synthetic precious or semi-precious stones, either unworked or simply sawn or roughly shaped. The forecast for 2024 to 2028 shows a gradual increase in import values from $3.0028 million in 2024 to $3.0938 million in 2028. This indicates a consistent year-on-year growth in demand, with the annual percentage increase around 0.9%. The compound annual growth rate (CAGR) over these five years is approximately 0.8%.

Future trends to watch for include:

Technological advancements in synthetic gemstone production which may lead to changes in import volumes.
Shifts in consumer preferences towards lab-grown stones for sustainability reasons.
Potential trade policy changes that could impact import costs.