CONCIERGE & RESOURCES
At AETERNA LUMEN, our service is as enduring as our diamonds. Whether you are tracking a journey, seeking care advice, or verifying authenticity, our concierge hub is designed to assist you at every step.
PEACE OF MIND, WORLDWIDE
We provide fully insured door-to-door delivery via FedEx Priority and DHL Express. From our atelier to your doorstep in the USA, Germany, or Japan, your natural diamond is protected every second of the way.
Track your order in real-time.
Signature required for all deliveries.
THE PERFECT FIT
A diamond should feel like a second skin. Use our comprehensive size guide to find your exact fit for rings and necklaces.
Download our Printable Ring Sizer.
International Conversion Chart (US, EU, JP).
BEYOND THE SPARKLE
Every AETERNA LUMEN stone is a miracle of nature. We provide official GIA or CGC certifications for diamonds over 0.5ct, ensuring your investment is backed by global standards of clarity, color, and cut.
PRESERVING YOUR RADIANCE
Silver lives and breathes with you. While our rhodium plating offers superior protection, natural silver requires mindful care to maintain its luster.
Avoid contact with harsh chemicals.
Use the complimentary AETERNA LUMEN polishing cloth.
Store in our anti-tarnish luxury pouch when not in use.
STILL HAVE QUESTIONS?
Our jewelry experts are available to guide you through bespoke orders, gift selections, or technical inquiries.