14k Genuine Smoky Quartz 1.25ct Solitaire Engagement Ring crafted in 14 kt White Gold . Stone Information: 1.25 Carats Round Smoky Quartz 7mm.. Diamond Quality: I Color, SI Clarity. Gemstone Quality: Medium to Dark Color, Eye Clean Clarity. . Made in USA . Metal Available: 14 kt White Gold, 14 kt Yellow Gold.