Stunning 14k Gold Diamond & Emerald Tree Of Life Pendant. The tree of life dates back to the Celts of ancient times who believed that trees were the source of all life. This beautiful fourteen karat gold pendant is deeply meaningful, with the roots representing the beginning of the family and emeralds signifying each family generation. The outer ring of the diamond and emerald pendant denotes the circle of the family, and diamonds symbolise the individuals within it. This diamond and emerald pendant was Irish hallmarked in Dublin Castle.