I believe if your purchase is within 90 days the extension up to 2 inches should be complimentary. If you don't have a boutique SA I believe the online customer service should still be able to assist you by sending a prepaid shipping label, but best to call and make sure. Otherwise you should be able to extend it at any boutique so long as you have the COA and/or receipt.How much does it cost to have your pendant extended by 2 inches? Is it still complimentary? With all of the recent changes with VCA, I figured I would just ask