I suspect dyed freshwater

[Kaenterkin]

I just got back from a trip to Hawaii. While I was there I bought some earrings as a souvenir. A free “pick a pearl” was included with the purchase. The jewelry store employee swore it was an Akoya pearl but he would not be a reliable source. I know these tend to be freshwater pearls, but would like more opinions. I didn’t buy a setting and the pearl is undrilled. Size, somewhere between 6 to 7 mm and rolls in every direction so it is very close to round. It does pass the tooth test.

 

[jshepherd]

It is dyed, but it could be an akoya pearl. It's hard to tell from a single photo based on the shape, especially if it is truly round. Typically Pick a Pearl akoya oysters do have freshwater pearls inside.

 

[CortezPearls]

I agree. It looks like a dyed Akoya. Most dyed freshwaters will display a very DEEP coloration...this one has a more subtle dye.

 

[Kaenterkin]

I just checked with a pair of calipers. The diameter is 7.3 mm in every direction I spun it give or take a few hundredths of a millimeter. If it helps, I tried candling it.