The 11 most popular diamond shapes for engagement rings Reviewed.com 5/6/2021 © Reviewed / Tara Jacoby The 11 most popular diamond shapes for engagement rings — Recommendations are independently chosen by Reviewed’s editors. Purchases you make through our links may earn us a commission. If you’re in the market for an engagement ring, first of all, congratulations! Second, you’ll quickly find that there are an overwhelming number of choices out there, including rings of every shape, size, and price point. To narrow down your options, you’ll want to start by choosing a diamond sh...