3 Carat Lab Grown Diamond Solitaire Emerald Havana Ring3 Carat Solitaire 3mm Cigar Band Engagement Ring Solitaire Engagement Rings Lab Grown Emerald cut Diamond Proudly joining the Kobelli Solitaires is our 3 millimeter cigar band featuring an excellent grade emerald cut diamond. The three carat diamond is carried by four prongs at each corner extending from our sleek butterfly silhouette setting. Elegance and refinement stands confidently on this solid ring with the large center stone, matching to the