Comparison shopping!?

LINK

"Sale 2370 Lot 48 / Cultured Freshwater Pearl Necklace, composed of forty white pearls with rose overtones, measuring approx. 10.70 to 11.61 mm, completed by a 14kt gold boule, lg. 17 1/2 in., boxed. Estimate $1,000-1,500"

and

LINK

"Sale 2370 Lot 53 / 18kt White Gold, Freshwater Pearl, and Diamond Earpendants, each pearl drop measuring approx. 9.25 mm, suspended from a full-cut diamond melee, lg. 1 in. Estimate $200-300"

... just because both types can be found around, with choice to boot.

... and because the listings seem to recognize the objects for their qualities, long since revealed in this particular spot of the Web