Portmanteau South Sea Pearl RingState Property Portmanteau south sea pearl ring. The Portmanteau Ring is the cocktail ring that chose you. A clean and deliberate silhouette holds a stunning South Sea Pearl upright. Dependable and poised, this is destined to be your signature. This ring is named after the literary device, portmanteau a word created by combining the sounds and meanings of two different words. 14mm Face, 11mm South Sea Pearls of AAA quality Size 6. 5 18k Yellow Gold