Welcome to Sigma Marketplace!

Return Policy

All merchandise must be returned in good condition, with all tags attached, and with proper pack/bag/box unless the item(s) are defective.

Please note the following:

  • Defective or Damaged products must be reported to our customer service department within 14 business days after receipt of the item and can be replaced for the same item or refunded.

  • Exchanges can only be processed for apparel items ranging in sizes small through x-large of the same item. At this time we are unable to do an exchange up to or down from a 2x due to the difference in pricing.

  • Honor Society Rings
    • Resizing up to or down one ring size is available through our manufacturer for a small fee.
    • Refunds for rings will be assessed a 25% restocking fee.

How to return your item:


Contact customer service
Contact our Sigma Marketplace customer service department via email: customerservice@sigmamarketplace.org or the toll free number: 888.654.4968


Ask for the CORRECT RETURN ADDRESS to which the return package should be sent. We have several different product providers so it is extremely important to obtain the correct return address.


Prepare package for returnWrite the RETURN ADDRESS and RMA NUMBER on the outside of the return package. If the RMA number is not present, the package will not be accepted by the provider, and it will be returned to you.

Complete the bottom portion of the RETURN POLICY FORM that was included with your original order, and place this along with the PACKING SLIP, inside the box. This will inform the receiving department of how to complete or resolve your ordering experience.


Mail the package
In order to receive a refund, items must be returned and received by the content provider WITHIN 30 DAYS of receipt of the product.

Processing of your return:

Once your product has been received, and we have been notified by our provider, please allow up to 30 days for complete processing of your refund or exchange.

If you have questions regarding a return, please contact:

E-mail Address:

Telephone Number:
US/Canada call 888.654.4968 
International call +1.317.687.2256
Monday through Friday
8:00 a.m. - 5:00 p.m. EST