This 14K white gold Marla Aaron Total Baguette baby gemstone lock charm features a maillon design with a polished finish. The screw lock is embellished with six baguette cut precious stones in different shades totalling 1.1 carats. The stones are a mix of sapphire, ruby, amethyst and tourmaline. This piece can be styled with one of the brand’s chains. ‘You can always bring a rainbow with you,' says Marla Aaron of this pendant. Indeed, red, orange, yellow, green, blue and violet are the colours of the visible light spectrum.