18kt Yellow & White gold with 0.7ct oval white lab diamond & Lapis Lazuli Pebble Ring with Diamond & Lapis, a 0.71ct oval lab diamond inside a hand-carved lapis lazuli oval, bezel set in 18K white & yellow gold. Material: Gold Karat: 18K Stone: Lab-Grown Diamond & Lapis Stone Carat: 2.5Ct