Lab-Grown Diamond Engagement Rings

Explore AIMINIA lab-grown diamond engagement rings, made to order in solid 18K gold. The collection brings together round, oval, marquise, pear and radiant silhouettes, from restrained center-stone settings to halo, side-stone and three-stone designs. Carat choices, ring sizes and grading information differ by design, so use each product page as the final source for its available specifications and documentation.

How to choose a lab-grown diamond engagement ring

• Begin with shape and proportion. Round stones create a balanced, symmetrical look, while elongated shapes such as oval and marquise can give the ring a longer outline. If you are considering an oval, our guide to oval diamond ratios and the bow-tie effect explains why two stones of the same carat weight may look different face up.
• Compare setting structure. Prong count, halo placement and side stones affect the ring's profile as well as its visual character. Start with our four-prong vs. six-prong guide, then browse halo engagement rings and three-stone engagement rings for more detailed settings.
• Check the metal and daily-wear details. Band width, height and adjacent stones can influence comfort and how a wedding band sits beside the ring. AIMINIA's current engagement-ring collection is made in solid 18K gold; our 14K vs. 18K gold guide explains the practical trade-offs before you choose.

To narrow the collection by silhouette, explore round lab-grown diamond rings, oval lab-grown diamond rings or marquise lab-grown diamond rings.

Frequently asked questions

Are lab-grown diamonds real diamonds?

Lab-grown diamonds have the same fundamental diamond crystal material as mined diamonds, but they are created in a controlled environment rather than extracted from the earth. They should not be confused with non-diamond simulants. Read our lab-grown diamond buying guide for the 4Cs, grading reports and a practical comparison checklist.

Does every AIMINIA ring include the same grading documentation?

No assumption should be made across the entire collection. Diamond specifications and independent grading documentation are product-specific and are stated on the relevant product page where applicable.

Which setting is best for everyday wear?

There is no single setting that suits every wearer. Lifestyle, stone shape, profile, prong coverage and care habits all matter. Compare the listed construction of the designs you like and consider how often the ring may encounter impact or snagging.