How to post jewelry on Walmart without Product Identifiers

Walmart requires a unique product identifiers (UPC/EAN/GTIN) for each listing published on their marketplace. 

To sell jewelry on Walmart without submitting Product IDs, you can request a UPC Exemption, by creating a case. for Partner Support . Mention the categories you request an exemption for (Jewelry); If your items are hand made; If you are a brand/manufacturer, retailer/reseller or both. If you have a website, include your website URL with links to 2-3 products that you are proposing to list. 

After reveiving the approval from Walmart , 

• For UPC exemption, use "Product Identifier Type: GTIN" and "Walmart Identifier: CUSTOM"

Walmart support article Open a case on Walmart   (select Items > Item Setup > UPC Exemption Request)