Browse our sparkling selection of Cushion Cut, Vs1 loose diamonds and build a gorgeous custom pendant today. 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. Each of our diamonds is graded and certified by a reputable third-party agency, such as the GIA or AGSL. 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.