Matthew 7:6
"Do not offer sacred things to dogs, and do not throw your pearls in front of [wild] pigs [i.e., to those who will not appreciate them], because they will probably trample on them with their feet and then turn around and attack you.
Matthew 13:45-46
"Again, the kingdom of heaven is similar to a [retail] merchant searching to buy some fine pearls.
1 Timothy 2:9
I also want the women to dress themselves in proper clothing, with modesty and discretion, not with [elaborately] braided hair, or gold [ornaments], or pearls, or expensive clothing,
Revelation 17:4
And the woman was dressed in purple and red [clothing], and was adorned with gold [jewelry] and precious stones and pearls. In her hand she held a golden cup full of disgusting things and of the pollutions of her sexual immorality.
Revelation 18:12
goods made of gold, silver, precious stones, pearls, expensive linen, purple [cloth], silk and scarlet [cloth]. [No one buys their] scented wood products, their articles made from ivory and expensive woods [i.e., furniture], their articles of brass, iron and marble.
Revelation 21:21
And the twelve gates were made of twelve pearls, with each gate being made of a single pearl. And the street of the city was made of pure gold, as transparent as glass.