It's beautiful, wife loved it! Shipping was sooner than expected! Thanks a bunch, made a perfect Christmas gift for her!
Loved it
Had some defects damage on edges of band but still happy .
Our customers trust us to be part of their most meaningful moments. From engagements to lifelong milestones, discover real stories, verified reviews, and shared experiences from couples who chose Beverly Diamonds to celebrate their forever.
At 4 carats, the diamond is no longer just part of the ring; it defines it.
This size delivers a level of presence that is instantly noticeable, offering exceptional finger coverage and a bold, unmistakable look. For buyers in the USA, a 4 carat diamond represents a move into high-impact, luxury territory.
A round 4 carat diamond typically measures around 10.0–10.2mm, creating a dramatic difference compared to lower carat weights.
Want to explore across sizes or compare styles? Browse our full collection of lab-grown diamond engagement rings.
Every ring in this collection is made to order, allowing you to control every detail from diamond proportions to setting structure, ensuring the final piece is both visually balanced and comfortable to wear.
You can customize:
With a 4 carat diamond, the setting should support both structure and design:
At this size, shape significantly influences the final look:
A 4 carat lab-grown diamond engagement ring typically ranges from $2,900 to $6,300+ in the USA, depending on diamond quality, setting style, and retailer.
On the other hand, 4 carat natural diamond engagement rings can cost anywhere from $60,000 to $150,000+, meaning lab-grown options are usually 40–60% less expensive, often saving tens of thousands of dollars while delivering the same size and visual brilliance.
When buyers search for the best place to buy 4 carat lab-grown diamond engagement rings, they’re looking for trust, control, and consistency.
Beverly Diamonds has been working with lab-grown diamonds since 1999, focusing on made-to-order craftsmanship rather than pre-set inventory.
What you get:
Expert Tip: “With 4 carat diamonds, the difference is in the details. Prioritize cut precision, proportions, and setting balance over size alone. A well-executed design will always look brighter, cleaner, and more intentional than a larger stone with poor structure, especially at this scale.”
What setting is best for a 4 carat diamond?
Settings like solitaire, hidden halo, and three-stone designs provide the best balance of structure and visual impact with 4 carat diamond.
Which shape looks largest at 4 carats?
Elongated shapes such as ovals, pear shapes, and marquise shapes tend to appear larger due to their greater surface area.
Is a 4 carat lab-grown diamond suitable for everyday wear?
Yes, a 4 carat lab-grown diamond can be suitable for daily wear when paired with the right setting. For everyday use, the best settings are usually a well-built solitaire, hidden halo, or low-profile cathedral setting, because they keep the diamond secure while making the ring more comfortable to wear.
How big does a 4 carat lab-grown diamond engagement ring look?
A 4 carat lab-grown diamond engagement ring has a substantial, high-impact look on hand. A round 4 carat diamond typically measures around 10.0–10.2mm, making it noticeably larger than lower carat weights. The overall appearance can vary by shape, with oval, pear, and marquise cuts often looking even larger because they create more finger coverage.
Do you offer resizing after purchase?
Yes, Beverly Diamonds provides free resizing to ensure the perfect fit.
If you need help choosing, call us at 1-855-456-8334 or book a virtual appointment.
Our Jewelry Experts are here to help