Frequently Asked Questions

Orders are processed within 1 business day. U.S. shipping typically takes 4–8 business days. Expedited and international options are available at checkout.

Yes. Orders $75+ ship free within the U.S. Shipping rates for smaller and international orders are calculated at checkout.

If your order hasn’t shipped yet, email us at info@kase-study.com and we’ll do our best to help.

We use high-quality brass, copper, or stainless steel plated in 14k gold, platinum, or black rhodium. Some pieces feature lab-grown stones, leather, or enamel accents. Material info is listed on each product page.

Many styles are hypoallergenic and nickel-free, though some may contain trace base metals. Reach out if you need help choosing sensitive-ear-friendly styles.

Visit our Jewelry Care Guide for tips on cleaning, storage, and longevity for every material.

Eligible U.S. orders may be returned within 14 days of delivery if unworn and in original packaging. Final Sale and international orders are nonrefundable. See full Return Policy.

We do not offer exchanges. Simply return your item for a refund and place a new order.

Yes. Rates are calculated at checkout. Please note: the customer is responsible for all import duties and taxes.

No. All international orders are final sale. Reach out with any questions before ordering—we’re happy to help.

We’re currently onboarding a limited number of retailers. Interested? Email info@kase-study.com with your store details.

If you're a content creator, UGC model, or stylist—email us or DM with your work. We’d love to hear from you.

Email us at info@kase-study.com and we’ll get back to you within 1–2 business days.