Âme Trio 18k white gold stud mono earring features an approximately 1.00ct. trillion lab-grown diamond. This is a single earring. Every piece of jewelry is unique, therefore weights and measurements may slightly vary. The decoration size is 5/16". The total weight is 1g. This designer jewelry is shipped with an Âme Box.Lab-grown diamonds have the same chemical, physical and optical characteristics as mined diamonds, but are grown above-ground rather than under. Learn more about lab-grown diamonds here.