Quality Landstroms 10k Black Hillls Gold Ladies Size 8 Ring w/ a 5mm size stone = 3/4 Carat CZ solitaire stone. This ring is a dazzler. I would have thought this stone was a diamond. It is stunning! The ring mount top is 1/2" wide. Stone sets up at the perfect height of 6mm. Lovely ring in Excellent Condition. This would make an excellent gift!