Frequently Asked Questions
Everything you need to know about shopping with DiagMart.
How long does shipping take?
Standard shipping typically takes 3-5 business days within the continental US, while international orders can take 7-14 business days depending on the destination.
What is your return policy?
We offer a 30-day return window for all unworn and unwashed items with original tags attached. Simply use our online portal to generate a prepaid return label.
How do I know which size to choose?
Each product page features a detailed size guide with specific measurements. If you are between sizes, we generally recommend sizing up for a more comfortable fit.
What payment methods do you accept?
DiagMart accepts all major credit cards (Visa, Mastercard, American Express), PayPal, Apple Pay, and interest-free installment options via Klarna and Afterpay.
Are your materials sustainably sourced?
We are committed to ethical fashion. 80% of our current collection is made from organic cotton, recycled polyester, or Tencel to minimize our environmental footprint.
Can I track my order in real-time?
Yes, once your order ships, you will receive an email with a tracking number and a link to our tracking page to monitor your package's journey.