Why invest in Diamond ? Precious Diamonds are valuable and maintain their values in uncertain times. Private The love for diamond is personal. The holding of diamond is private. Buyers do not need to register or disclose their holdings. Durable Diamonds are the hardest substance on earth. They don't break or wear off. transferable Diamonds are easy to carry and transport, do not take up much room to store. recognised Diamonds are globally recognized and can be an alternative investment for portfolio diversification. popular Diamonds are long favoured by the middle class and now gaining popularity among the millennials.