Make a bold statement of Love and commitment with 3 CT lab-grown diamond engagement rings from The Karat Store. The ring is delicately designed in rich 14K and 18K gold, along with a ravishing 3-carat lab-grown diamond. Our sourced ethically and sustainably lab-grown diamonds are known to give the exact brightness, toughness, and quality of mined diamonds and will shine beautifully responsibly for your special moment.