Shop our stunning selection of Emerald Cut, 3 Carat diamonds, perfect for a diamond engagement ring or pendant. Emerald Cut, 3 Carat diamonds are versatile enough to suit a timeless solitaire engagement ring or a vintage-inspired halo setting. All of our conflict free diamonds are certified with their own GIA or AGSL grading report. For expert advice on your purchase, consult our non-commissioned virtual gemologist service or our skilled customer service team. When the selection process is complete, you can preview your diamond or custom bridal jewelry for free at any of our authorized local jewelers.