Yes the buyer can. It helps to read the Etsy TOU to be aware of what can happen:
A non-delivery situation arises when a buyer placed an order and submitted payment, but then did not receive the item. Etsy encourages a buyer to first contact the seller via Conversations to try and work out the issue. If this is unsuccessful, the buyer may report that the item has not arrived and open a non-delivery case within the applicable time frame (see Transaction concerns or disputes). Often the case process enables the buyer and seller to resolve the matter directly. Unresolved cases escalate for review and resolution by Etsy.
Please note: a buyer who paid via PayPal may have a limited time frame in which to file a claim for refund of purchase under PayPal's policies; that process is separate from Etsy’s dispute process.
The seller must ship the item(s) as specified by the ships-by date set using the tools provided by Etsy, or within a reasonable amount of time.
Once an Etsy non-delivery case has been opened by the buyer, the buyer and seller must use the case system to communicate about the transaction.
A case may be closed after the buyer and seller reached a resolution agreement, or the item was delivered, or the seller issued a full refund, or if the transaction qualified for the Seller Protection Program.
If a case remains unresolved, it will be escalated for review and resolution by Etsy. Both parties must abide Etsy's decision.
If a case is escalated to Etsy, the seller may be asked to provide Etsy with additional information (for example: proof of shipping and/or delivery, proof of refund) to help resolve the dispute.
For transactions paid via direct checkout, if the seller does not qualify for Seller Protection, then Etsy may issue a refund to the buyer from the seller's Shop Payment Account to resolve the dispute. If there are insufficient funds available in the seller's Shop Payment Account, Etsy may charge the payment source on file for the seller to cover the refund.
A seller who fails to ship an item, respond to a non-delivery case or settle a disputed transaction in a reasonable manner may be suspended. Members who do not comply with Etsy's policies may be subject to review, which can result in suspension of account privileges and/or termination. Suspended or terminated members remain obligated to pay Etsy for all unpaid fees per our Terms of Use.