The Yellow Gold Plated Alexandra Earrings With Blue Topaz by Coco & Kinney. The Alexandra earrings elevate the \'everyday\' stud. The three 2. 5mm Blue Topaz stones curve up the ear look like an ear climber. They also work great in second hole piercings. Materials: Blue Topaz, Sterling Silver & 1 Micron of Gold plating. About The Designer: Designers Venetia Cohen and Emma Mactaggart founded the Coco & Kinney brand in 2017. United by a shared passion for jewellery, gemstones, and colours, Venetia and Emma have created completely unique fashion accessories that are both detachable and interchangeable. To view more of this designer\'s collection please visit Coco & Kinney.