I want to sell my pearl necklace...

by Dallas
(Sevierville, Tennessee, US)

I recieved a a pearl necklace last year for christmas and I have never worn them. I was wanting to resell them. They're in mint condition. Never worn. In the box. They're freshwater pearls. 100" long. 6-7mm. I have a certificate on them as well. I'm not familiar with jewelry so I wouldn't know how selling them should go. If you have any advice or helpful tips for me, that would be greatly appreciated. Thanks so much for your time!