If you are importing diamonds from India, you may be subject to customs duties and taxes. The specific amount of duty and tax will depend on various factors such as the value of the diamonds, the country of origin, and the destination country.

In India, diamonds are subject to export duty, which is currently set at 0.25% of the value of the diamonds. However, the actual duty rate may vary depending on the specific type of diamond and the applicable export regulations.

When importing diamonds from India, you will need to comply with the customs regulations of your destination country, which may include providing documentation such as a commercial invoice, certificate of origin, and customs declaration. You may also be subject to customs inspection and assessment of duties and taxes.

To ensure a smooth import process, it is recommended to work with a reputable diamond dealer or importer, and to consult with customs authorities and/or a customs broker to ensure that all necessary documentation and procedures are followed. Additionally, it may be helpful to research and understand the customs regulations of your destination country and any applicable trade agreements or free trade zones that may affect the import process.