Ordering & Payment


We accept the following methods of payment: Visa, MasterCard, American Express, Discover, JCB, Diners Club, PayPal, Apple Pay and Mathematics by Beth Macri gift cards issued in USD.

Your card will be charged at the time of order. If, for any reason, we are unable to fulfill your order, we will issue a full refund to you by your payment method.


Orders from the sterling silver I-Beam Collection will be filled from stock if available and shipped within 3-5 business days. When stock is not available, your order will be custom made and should ship in 4-6 weeks. We will e-mail you if your order is not in stock and you may cancel or change your order if you so choose.

Items from our 14k Collections (including Shorty Pendants) are made-to-order and take 4-6 weeks to be made.

A signature will be required for all orders valued at $500 USD and above. If you would like to waive this requirement please contact customerservice@mathematics.nyc.