12 mm diameter. 18 carat rose gold diamond hoop earrings. Hinged at the bottom so that the pin can slide through your piercing and click securely into place. These halo hoop earrings are half set with diamonds. There are 6 diamonds set on the forward facing half of the hoop in each earring. Total diamond carat weigt 0.54 ct. G/H colour. Si quality. Come complete with a presentation case and a 5 year warranty.