EREDE Delta Signet Ring in 18Ct Yellow Gold/Diamond, Size 5.5: Ready to ship in 3-4 weeks. That preternaturally sparkly, 1.2-carat oval-cut diamondwhich, fun fact, was lab-grown using solar poweris the star of the show here. Its nestled in a corrugated 18-karat gold setting that echoes and enhances its curves. Wear it traditionally (on your pinky finger) or wherever youve got real estate.18k gold, 1.2 ctw diamond Made in USA.