Our diamond education will help you select the perfect Emerald Cut, 2.5 Carat diamond for a pendant or a unique engagement ring. When you have selected your stone, you can match it with a stylish ring setting in the metal of your choice, with colors ranging from rose gold to platinum. Discover the details behind your diamond's 4C grades in its personalized GIA or AGSL certification report. Our diamond education and excellent customer service team are available to help if you come across questions or issues. Once you've chosen your stone and built your stunning engagement ring, you can preview it obligation-free at one of our many local jeweler partners.