Authenticity Guarantee

Authenticity is the cornerstone of Posh Designer Jewelry.

We are "your trusted source" for the very best authentic designer jewelry and guarantee every item we sell. You can shop and purchase from us worry free.

Our in-house professionals and certified jewelers ensure every item is 100% authentic and in beautiful condition by conducting a 15 point certification process. We want you, our customer, to shop with confidence. Every item is authentic and of the highest quality!

When included with an item we also authenticate the original designers box ,pouch, cleaning cloth, paperwork and/or the original purchase receipt.  

Rest assured Posh Designer Jewelry takes our authentication process seriously and has developed a thorough authentication process, ensuring every items you buy is 100% authentic and in beautiful condition!

The Posh Designer Jewelry Authentication Process Includes:
  • Testing of Precious Metals & Stones
  • Hardware (latches, clasps, prongs, fasteners etc where applicable)
  • Brand & Logo Hallmark Examination
  • Craftsmanship Examination
  • Authenticity of Paperwork, Receipts, etc.
  • Serial Numbers & Date Codes
  • Authenticity of Boxes, Packaging and Keepsake Pouches
  • Graded wear
  • and more much...
For any questions regarding the authenticity of the items that we sell, please contact Posh Designer Jewelry by email at or by phone at 888.371.2131.