Colour Dot Studs - Tiny - Cobalt Blue Cobalt Blue Studs £18.00 £10.80 Sorry, this particular item has been sold. Please contact me if you would like a similar design made. 0 in your basket View Basket Checkout This listing is for a pair of my Tiny Colour Dot Studs that have been returned from a gallery (display only) - they're in perfect condition and have been given a good clean. This studs have a cobalt blue resin clay inlay. The Tiny Colour Dot studs are made from sterling silver with plastic scrolls and the diameter is 3mm.