Sapphire Band crafted in 18 kt White Gold Dimensions: Top: 3.10 mm , Middle: 3.10 mm , Bottom: 3.10 mm . Stone Information: 0.25 Carats Round Diamonds, 0.50 Carats Sapphire Diamond Quality: G Color, VS Clarity Gemstone Quality: Very Fine Medium to Dark Color, Clean in Clarity Made in USA . Metal Available: 18 kt Yellow Gold, 18 kt White Gold, Platinum.