Tiffany & Co.
This romantic cut dates back to Louis XIV, who kept heart-shaped diamonds in his vast collection and Kirsten Dunst received one onscreen as Marie Antoinette. More recently, the style really began to shine in the early 20th century, when diamond-cutting techniques improved.
1-carat heart-shaped Bezet-set diamond in platinum, Tiffany & Co., $11,100;
8-carat heart-shaped diamond in platinum, Neil Lane, $420,000; neillanejewelry.com.
1.51-carat heart-shaped diamond in 18kt white gold, Blue Nile, $8,500; 888-565-7641.
.75-carat diamond and micropave diamonds in platinum, Ritani, $2,519; ritani.com.
.96-carat heart-shaped diamond and 2-total-carat-weight diamonds in platinum, Karen Karch, $16,000; 212-965-9699.
1.32-carat diamond and .97-total-carat-weight diamonds in platinum, Neil Lane, $24,000; 310-275-5015.
1.27-carat diamond in platinum, Karen Karch, $18,000; 212-965-9699.