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Make your engagement a memorable and elegant affair with sustainable and eco-friendly lab-grown diamond engagement rings at The Karat Store. These precision-cut and loved-to-be-made rings are crafted from lab-grown diamonds that shine as brightly as mined diamonds, but there's so much more ecologically and socially to it. Choose from luxurious 14k and 18k gold available in our range of engagement rings to symbolize commitment to loving each other as well as the earth itself.