What you want to ask is why there is no logo lettering on Cartier love full diamond necklace? This is fake. Cartier official website introduced that Cartier's genuine love necklace is full of diamonds, and there is a logo on the side. If there is no brand logo on the side, it is a fake. Cartier is a famous French jewelry and watch manufacturer, founded by Cartier in Paris on 1847, and is considered as one of the most famous jewelry manufacturers in the world.