Top to bottom, left to right:
Aquamarine
38.48-carat aquamarine ring with pavé diamonds in 18-karat white gold, $60,200, Sidney Garber, 118 E. Delaware Pl.
Triangular
Gold-plated and crystal ring, $149, Swarovski, 540 N. Michigan Ave.
Crisscross
Hearts on Fire 1-carat diamond ring in 18-karat white gold, $4,490, James & Sons, 1457 N. Halsted St.
Wraparound
Hearts on Fire 0.60-carat diamond comet ring in 18-karat yellow gold, $4,990, James & Sons.
Quartz
11-carat lemon quartz ring with diamonds in 18-karat gold, $5,800, Pomellato, 41 E. Oak St.
Spessartine
13.24-carat spessartine and 0.75-carat diamond ring in platinum, $65,000, Tiffany & Co., 730 N. Michigan Ave.
Platinum
1.21-carat diamond ring with pavé diamonds in 18-karat blush gold and platinum, $9,040, Eve J. Alfillé Gallery & Studio, 623 Grove St., Evanston.
Prasiolite
Prasiolite ring in sterling silver, $1,300, David Yurman, 40 E. Oak St.