Dark Multi-tonal Purple Off Round Freshwater Pearls have excellent high luster, pearls have excellent nacre, these pearls are well matched for quality on strand, pearls are drilled with a 2.5mm hole, and these Large Hole Freshwater Pearls are an excellent value for an average size off round shape. Purple multi-tonal Peacock hue is a silver base with iridescence. Large Hole pearls have a 2.5mm inside diameter, the drill holes are produced with a 5 step drill process to insure a cleanly drilled hole without abrasion to the nacre and the drill hole is a consistent diameter through the pearl.