Art Deco 4.18ct Lab Diamond Platinum Engagement RingThe perfect blend of old and new, this 1930s Art Deco ring features a 4. 18 ct lab grown diamond in the center. This ring features an oval white diamond totaling 4. 18 carats, accented by round white diamonds totaling 0. 3 carats. Center Diamond: 4. 18 carat lab grown diamond Accent Diamonds: Approx. 0. 30 carats total weight of natural round diamonds Ring Size: 6. 5 Metal: Platinum Total Weight: 6. 2g Width (Top to Bottom): 3. 7mm