Signature & Custom Designs

Discover exclusive Diamonds by Magnús James™ Signature Designs along with fully custom lab-grown diamond creations crafted just for you. Our bespoke design service allows you to choose your diamond, style, metal, and details—bringing your vision to life with IGI-certified brilliance, D-E color, and VVS-level clarity. Whether you’re personalizing a solitaire, upgrading a classic, or creating a one-of-a-kind piece, we offer ethical, modern craftsmanship. Your dream design starts here.

Signature & Custom Designs
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Living Diamonds™: The Smart Diamond™ Collection

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