A DISCONTINUED MODEL NOT TO BE MISSED ! CARTIER Signature Tricolor Trinity Bag ! Trinity is one of the most recognizable Cartier motifs, and given the meaning and history behind the Trinity de Cartier - love, fidelity, and friendship. The Trinity Collection is a line linked directly to the history of the great house. With the Trinity, Cartier is going back to its roots, to one of the core symbols of the brand, which are the three rings of Cartier in rose (representing love), yellow (fidelity), and white gold (friendship).