Silver Sage Green Large Hole 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. Silver overtone Sage Green hues have an iridescent overtone. 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.