By Phia

The M Jewelers began in New York City’s Diamond District in 2013, where founder Mark Shami built a direct-to-customer label around personalized jewelry. Nameplate necklaces remain a signature, alongside custom gold and silver chains, pendants, bracelets, and rings that customers can design online or at the brand’s stores. The M sells through its website and New York and Tokyo boutiques, with stockists including Net-a-Porter, Nordstrom, and Revolve; collaborations include MLB, Nike, Kith, and Only NY. Pieces span accessible fashion jewelry to precious-metal styles. When comparing a sale or promo code at The M with secondhand listings, check the materials as carefully as the price. Phia helps shoppers compare The M prices, test coupon codes at checkout, and find resale jewelry.

The M shopping guide

Everything you need to know to get the best deal at The M

How to redeem a The M promo code

  1. 1. Add your selected items to your shopping bag at The M.
  2. 2. Open your bag and continue to checkout.
  3. 3. Find the field labeled Promo Code or Gift Card, then enter your code and apply it.

Troubleshooting a The M promo code

  1. • Check for typos — codes are case-sensitive and can’t contain extra spaces.
  2. • Confirm the code hasn’t expired or reached its usage limit.
  3. • Some codes require a minimum spend or exclude sale items.

Expert ways to save at The M

  1. • Use the most valuable code when a retailer does not allow code stacking.
  2. • Check current sale items before applying your code.
  3. • Install Phia to automatically test available codes at checkout.

Stop overpaying at The M

Phia finds the working code — and applies it before you pay.