This is an Old Rose Cut diamond it has a lot of sparkle and is very nice. The ring falls on a US mandrel at a size 5.5, which is a UK Size K 1/2. The face of the ring is 9mm north to south. The diamond measures 5.5mm x 6mm x 2.5mm, for an approx. carat weight of 0.50ct. It has minimum VS clarity with F/G color. There is a chip on one side of the girdle. It does not effect the look of the Diamonds Face Up. It is fully hallmarked, has been fully tested and verified, weighing in at 2.7 grams. There is a split in the back of the band. This item is pre-owned and there will be ordinary and normal use marks. Comes from a clean, smoke-free home. GL30-618-800p-CC998-U30X-UG30X