Duet Emerald EarringsToi et moi is French for "you and me." It is also a fancy and symbolic term to describe this pair of earrings. These two stone diamond studs, or toi et moi diamond earrings, carry a round diamond and an emerald cut diamond. The two stunning gemstones could represent a couple or two hearts becoming one. It could also signify love and friendship or the crossing of paths of two individuals.