The shape of a diamond is one of the most personal choices you'll make. Each shape has its own character, sparkle pattern, and style. Here's your complete guide to finding the one that speaks to you. Round Brilliant The Classic Choice The round brilliant is the most popular diamond shape, accounting for over 70% of all diamonds sold. Its 58 precisely angled facets are mathematically designed to maximize light return, creating unmatched sparkle. Best for: Maximum sparkle, timeless style Consider...