The pearls have significant blemishes like clouds or scars. It’s rare for freshwater pearls to get to this size.
The blemishes are negligible at arm distance, and totally invisible at social distance.
The main photo shows what it looks like beside a window on a sunny day. When the lighting is good, this pair of earrings looks very very pretty.
The all nacre pearls will ensure you to enjoy the pair for the coming many years. All other pearls (either freshwater cored or seawater pearls) will lose their luster sooner than all nacre pearls.