Solid brass dress set with Mother of Pearl and 18-carat rose gold plating Diameter 12mm cufflinks and 8mm studs This dress set has been precision turned on a lathe in a traditional workshop. The pieces are plated with 18ct rose gold plating in an electro plating workshop that is devoted to this process alone. Mother of pearl has a subtle lustre that will elegantly complement your black-tie wear. Scientific name: Pinctada Maximus, Origin: Australia, Family: Pearl Oyster Made in England