YVONNE LÉON Chevalière Marquise 9-karat gold, mother-of-pearl and diamond signet ring

Yvonne Léon's marquise-shaped ring is adorned with a slice of lustrous mother-of-pearl, which is said to symbolize luck and prosperity. Handmade from 9-karat gold, it's carved with a rope-like trim and dotted with a single sparkling diamond.