Rivière necklace in platinum and 18K white gold with 12.0–13.0 mm
cultured white South Sea cultured pearls and nearly 25 carats of
brilliant-cut diamonds, price upon request; Sean Gilson for Assael

Necklace in 14k yellow gold with an 8–8.5 mm. freshwater pearl and 0.05 ct. t.w. diamond, $905; Mastoloni

Tennis necklace in 14k yellow gold with 11–12 mm. cultured white South Sea pearls and 5.31 cts. t.w. diamonds, $24,000; Baggins

Oasis necklace in 18k yellow gold with cultured white South Sea pearls and 1.9 cts. t.w. G-color VS-clarity diamonds, $6,400; KATKIM

Keychain necklace in 18k yellow gold with freshwater cultured
pearls and gray diamonds, $3,590; Yvonne Léon Paris