With a value of US $3.5 million, the Mouawad Flower of Eternity Jewellery Coffer was named as the most valuable jewellery box in the world by the Guinness World Records in 2016. Inspired by Mouawad’s signature Flower of Eternity™ motif, which consists of three heart-shaped petals symbolizing the past, present, and future, the coffer was crafted using 18-karat gold and sterling silver, and features 542.39 carat of white and yellow diamonds, 293.24 carat of white and pink sapphires, 20.06 carat of rubies, and 1,799.75 carat of lapis lazuli.