At Sigma Collective, we guarantee the authenticity of every item.
The true allure of vintage lies not only in its design or rarity but also in the inherent value of being genuine.
To ensure your peace of mind, we perform thorough authenticity checks on all our items.
Expert Examination and Verification
Our team includes professionals in house appraisers with over 10 years of experience. With specialized knowledge and extensive expertise, they thoroughly inspect every item.
For ultimate accuracy, all items are reviewed and verified by multiple experts before certification.
If your purchase is found to be counterfeit, Sigma Collective offers a full refund. Your trust is our top priority, so you can shop at ease and enjoy happy shopping experience.
Vintage items captivate with their unique designs, exceptional craftsmanship, and rarity.
Each piece in the Sigma Collective collection is carefully curated, offering you something truly special to enhance your lifestyle.
At Sigma Collective, we deliver authenticity and peace of mind with every extraordinary piece.
Orders will be processed and shipped within 2 business day after order confirmation. Please note that during peak times or due to stock availability, shipping may be delayed.
We use various shipping carriers to ensure timely delivery. The specific carrier will be determined based on the shipping address and availability.
We offer international shipping to various countries.
Please check the shipping fees when check out. (fees may vary depends on the shipping address, if you have any concern please feel free to reach out to us)
Once your order has been shipped, you will receive a tracking number to check the delivery status.
For any questions about shipping, please contact us via eBay Messages from this listing page.
We have a 60-day return policy, which means you have 60 days after receiving your item to request a return.
Your item must be in the same condition that you received it, unworn or unused, with tags, and in its original packaging.
Please open a return request via eBay Messages from this listing page.
Returns will need to be sent to the following address:
Okachimachi Bld.7F 24-16 5-Chome, Ueno, Taito-ku, Tokyo 110-0005 Japan
If your return is accepted, please pack the item, take a picture before you seal the package and keep the photo until the return is completed.
Please inspect your order upon reception and contact us immediately if the item is defective, damaged or if you receive the wrong item, so that we can evaluate the issue and make it right.
Certain types of items cannot be returned, like perishable goods, custom products, and personal care goods. We also do not accept returns for hazardous materials, flammable liquids, or gases. Unfortunately, we cannot accept returns on sale items or gift cards.
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
We will notify you once we’ve received and inspected your return. If approved, you’ll be refunded on your original payment method.