How do you clean yellowed pearls?
You can clean or brighten new or vintage pearls at home using a mild detergent or dish soap. If your pearls have become yellow, try whitening them or restoring their shine with acetone. Acetone will not harm pearls, but never use ammonia, vinegar, or chlorine bleach near your pearls.
How can you tell if old pearls are real?
Like every natural things, the answer is yes only for a certain type, especially freshwater pearls and white color pearl. Over time, pearls tend to change and age, particularly if not properly cared for. And as everything, prevention is better than cure.
Can real pearls change color?
Pearls will naturally darken slightly with age and wear. The golden or creamy tones that come with age cannot be removed.