What makes Diamonds by Magnús James different?

Diamonds by Magnús James™ specializes in premium lab-grown diamonds that deliver exceptional brilliance, luxury craftsmanship, and unmatched value. All pieces are inspected, certified, and presented in signature DMJ packaging.

Are your diamonds real?

Yes. Our diamonds are 100% real, lab-grown diamonds with the exact same chemical, optical, and physical properties as mined diamonds. They test as real diamonds and follow standard GIA-equivalent grading criteria.

Do your diamonds come with certification?

Yes. All major Diamonds by Magnús James pieces include a certified grading report and a DMJ Certificate of Authenticity.

What metals do you use?

We use only solid 14k gold in white, yellow, and rose. We do not use plated, filled, or vermeil metals.

What is your return policy?

We offer 30-day free returns on unworn items in original condition. Custom, engraved, or made-to-order pieces are final sale.

Do you offer financing?

Yes. Customers can use Shop Pay Installments to split purchases into flexible payments at checkout.

How long does shipping take?

In-stock jewelry ships within 1–2 business days. Custom or special-order pieces typically ship within 5–10 business days depending on production time.

Do you offer warranties?

Yes. All Diamonds by Magnús James jewelry includes a lifetime manufacturing warranty that covers craftsmanship defects.

Can I custom-design a piece?

Yes. We offer custom design consultations for engagement rings, pendants, earrings, and other bespoke jewelry pieces.

Shipping policy

Shipping Policy

At Diamonds by Magnús James, we are committed to delivering your order with the highest care, speed, and security.

Processing Times

All in-stock items typically ship within 1 – 2 business days. Custom or special-order pieces may require additional processing time, which will be communicated via email after purchase.

Shipping Methods

We offer insured shipping through trusted carriers such as UPS, FedEx, and DHL. Delivery times may vary based on your location and shipping option selected at checkout.

Domestic Shipping (U.S.)

• Express delivery: 1 - 2 business days

International Shipping

We ship to select countries. International orders may be subject to customs duties or import taxes, which are the responsibility of the customer.

Order Tracking

You will receive an email confirmation with tracking information once your order ships.

Signature Required

Due to the high value of our products, all shipments require a signature upon delivery.

Lost or Stolen Packages

We are not responsible for packages lost, stolen, or delayed by carriers once they are marked as delivered. If you experience any issues, please contact us immediately at info@diamondsbymagnusjames.com