By Smitha Sadanandan

Ring in 14k rose gold with a 5 mm cultured white akoya pearl, white opal, and 0.25 ct. t.w. diamonds, $2,350; Stuller, stuller.com

Ring in 18k yellow gold with a 14.7 x 17 mm South Sea pearl and 0.91ct. t.w. diamonds, $8,580; Ray Griffiths Fine Jewelry, raygriffiths.com

Halo ring in 18k yellow gold with a 9–9.5mm white cultured freshwater pearl and 0.53 cts. t.w. diamonds, $2,785; Mastoloni, mastoloni.com

Ring in 18k rose gold with a 16.6 mm x 16.7 mm Tahitian cultured pearl and 4.39 cts. t.w. aquamarines, price upon request; Assael, assael.com

Glow 8 ring in 18k rose gold with a 10 mm white freshwater pearl and 1.97 cts. t.w. color-graduating sapphires, $3,960; Melanie Georgacopoulos, melaniegeorgacopoulos.com