Brooke Gregson revealed to us that she's drawn towards stones which spark an emotional response, particularly opals which she likens to "the most beautiful paintings I have ever seen." Handmade from 18-karat gold, this cuff is centered with a stunning boulder opal that flickers with blue, green and orange tones - those intense flashes of color are entirely unique and said to calm the soul. It's surrounded by a row of sparkling diamonds.