Valérie Messika freed herself from classic, vintage-styled medallion design codes to create a graphic, contemporary diamond jewelry collection. In a unique version, the designer combines her precious pink gold and diamond medallion with white mother-of-pearl, synonymous with purity. One thing is certain: this pink gold diamond necklace with mother-of-pearl will redefine your style, from the most understated to the boldest look. And to make this pink gold diamond necklace and white…