Oval and three-stone yellow gold engagement rings on pale blue velvet
Lab-Grown Diamond Engagement Rings

Shop by Shape

Choose your diamond shape to explore ring designs and prices

Shop by Style

Discover the setting that feels like you.

Diamond Grading Reports

Each AIMINIA engagement ring includes a paper IGI grading report for its center diamond

View IGI Report Sample & Verification

Engagement Ring FAQs

When will my ring arrive?

Most made-to-order rings take approximately 1–2 weeks to produce. After dispatch, tracked express delivery usually takes 3–5 business days.

View production and delivery times

What diamond report comes with my ring?

Each AIMINIA engagement ring includes a paper IGI grading report for its center diamond.

View a sample and learn how to verify your report

How do I choose my ring size?

Our ring sizes use the US scale. For the most accurate fit, have a jeweler measure the finger you plan to wear the ring on.

Open the US ring size guide

Can I return my engagement ring?

Eligible unworn and unaltered items can be returned within 90 days of delivery. Engraved pieces and certain custom designs are subject to the exclusions in our refund policy.

Read the full refund policy

The AIMINIA Story

A ring begins with personal choices: the shape of the diamond, the warmth of the metal, and the way it feels on your hand. AIMINIA brings those choices together in lab-grown diamond engagement rings, from solitaires to three-stone and pavé designs.

Explore the available gold purities, diamond options and engraving on each product page. For help with sizing, specifications, grading reports or timing, speak with us before ordering.

Jeweler setting a lab-grown diamond into an 18K gold ring
Our Story