Courtesy of Mauboussin
The most popular shape with brides, the roundoften called the round brillianthas triangular facets, arranged to direct light from the bottom of the stone up through the top for maximum sparkle. Matt Damon proposed to Luciana Barroso with a three stone round diamond ring.
.30-carat diamond in 18kt white gold, Mauboussin, price upon request; 212-752-4300.
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