FAQs

Lab-grown diamonds are real diamonds created in modern laboratories that replicate natural growth conditions. They share the same physical, chemical, and optical properties as mined diamonds.

No. Lab-grown diamonds are visually identical to mined diamonds and graded by the same institutes.

Yes. All Assel & Co diamonds include a certification from a reputable gemological lab.

Lab-grown diamonds avoid large-scale mining and are considered a more conscious and sustainable choice.

Use warm water, mild soap, and a soft brush. For a deeper clean, professional ultrasonic or steam cleaning is recommended.

Ready-to-ship designs ship quickly, while made-to-order pieces require additional production time. Timelines are shown at checkout.

Yes. Many styles allow custom adjustments such as diamond shape, size, and metal type.

Yes. All US orders ship free with tracking and insurance.

Yes. Our shipping boxes are unbranded and discreet—perfect for surprise proposals.

Most items can be returned within 30 days in original condition. Custom or engraved pieces may be final sale.

Yes. Our lifetime manufacturing warranty covers craftsmanship defects for the life of your jewelry.

Yes. We offer one complimentary resizing within the first year. Some styles may have limitations.

Yes. You may upgrade your diamond at any time. Credit is based on your original stone.

You can reach us through live chat during business hours or anytime by email at support@asseldiamonds.com.