Jamaican designer Matthew Harris began Mateo as a men's jewellery line inspired by a working man's toolbox before moving on in 2014 to create a women's collection that follows the clean, dynamic lines of modern art - as expressed in this refined Point of Focus ring. It's crafted by hand in New York from 14kt gold adorned with white diamonds totalling 0.24ct and an emerald-cut blue topaz. Wear it as the highlight of a neutral ensemble.