Round Diamond Engagement Rings
The world's most brilliant diamond cut — our round lab-grown diamond engagement rings deliver exceptional fire and sparkle in every setting style. Available in all carat weights in solid 10K–18K gold. IGI-certified and conflict-free. Free worldwide shipping and a 1-year warranty included.
Sort by:
Round Lab Grown Diamond Three-Stone Engagement Ring
$1,551.00 – $3,107.00
This three-stone engagement ring showcases the timeless elegance of round lab-grown diamonds in a breathtaking design that celebrates past, present, and future. With a generous total diamond weight of 3.87...
Round Lab Grown Diamond Side-Stone Engagement Ring
$1,431.00 – $3,035.00
This round diamond engagement ring captivates with a stunning side-stone setting that frames the brilliant center stone in timeless elegance. Featuring a total diamond weight of 2.77 carats, this exquisite...
Round Lab Grown Diamond Three-Stone Engagement Ring
$1,597.00 – $3,559.00
This three-stone engagement ring showcases the timeless elegance of round lab-grown diamonds in a classic yet captivating design. Featuring 1.59 carats total weight, the ring pairs a brilliant center stone...
Round Lab Grown Diamond Cathedral Engagement Ring
$1,637.00 – $3,377.00
This round diamond engagement ring showcases a timeless cathedral setting that elevates the center stone with graceful arches rising from the band. Featuring a brilliant round-cut lab-grown diamond as the...
Round Lab Grown Diamond Split-Shank Engagement Ring
$1,144.00 – $2,498.00
This split-shank engagement ring showcases a brilliant round diamond at its center, cradled in an elegant setting that radiates timeless sophistication. The distinctive split-shank design features a band that gracefully...
Round Lab Grown Diamond Halo Engagement Ring
$1,639.00 – $3,525.00
This round halo engagement ring showcases the timeless elegance that defines Riona Jewel's commitment to exceptional craftsmanship and sustainable luxury. Featuring a stunning round brilliant center diamond surrounded by a...
Round Lab Grown Diamond Halo Engagement Ring
$1,710.00 – $3,685.00
This round halo engagement ring showcases the timeless beauty of lab-grown diamonds in a design that captures every glimmer of light. Featuring a total diamond weight of 2.33 carats, this...
Round Lab Grown Diamond Halo Engagement Ring
$1,394.00 – $2,952.00
This round halo engagement ring captures timeless elegance with a brilliant centerpiece embraced by a shimmering halo of lab-grown diamonds. Featuring 2.45 carats total weight of meticulously selected lab-grown diamonds,...
Round Lab Grown Diamond Split-Shank Engagement Ring
$1,501.00 – $3,070.00
This stunning split-shank engagement ring showcases a brilliant round diamond in a design that celebrates modern romance. The distinctive split shank gracefully divides as it approaches the center stone, creating...
Round Lab Grown Diamond Halo Engagement Ring
$1,691.00 – $3,408.00
This round halo engagement ring showcases the timeless elegance that makes halo settings enduringly popular. Featuring a brilliant round lab-grown diamond at its center, surrounded by a luminous halo of...
Round Lab Grown Diamond Halo Engagement Ring
$1,395.00 – $3,110.00
This round halo engagement ring captures timeless elegance with a brilliance that stops hearts. At its center, a stunning round lab-grown diamond is embraced by a glittering halo of smaller...
Round Lab Grown Diamond Halo Engagement Ring
$2,074.00 – $4,122.00
This round halo engagement ring showcases the timeless brilliance of lab-grown diamonds in a design that captures both classic elegance and modern romance. Featuring a stunning 2.85 ct total diamond...