cultured pearls
Refers to pearls cultivated by human intervention, as opposed to natural pearls. Used in jewelry and pearl industry contexts.
This necklace uses high-quality cultured pearls.
Compound of 真円 (shin'en, 'perfectly round') and 真珠 (shinju, 'pearl'), literally 'perfectly round pearl'. The term specifically denotes cultured pearls, which are typically round due to the cultivation process.