3 CT Marquise Lab Grown Diamond Vintage Sunburst Halo Engagement Ring

Make a dramatic statement with this Art Deco-inspired vintage sunburst engagement ring. At its center lies a brilliant 3.00 Carat Marquise Cut Lab-Grown Diamond, framed by a double halo consisting of an inner pave frame and an outer scalloped, starburst halo accented with delicate milgrain edging.

The split-shank band features micro-pave set diamonds along the shoulders, leading up to a structural cathedral elevation. Beneath the center setting, a custom-designed lattice filigree undergallery provides structural stability while allowing light to flood the diamond from all angles.

Key Features

• Center Stone: 3.00 Carat Marquise Cut Lab-Grown Diamond (Type IIa, identical optical and physical properties to mined diamonds).

• Halo Design: Scalloped double sunburst halo with vintage milgrain border detailing.

• Band Style: Cathedral split shank set with micro-pave lab diamond accents.

• Undergallery: Intricate lattice filigree basket for enhanced brilliance and airflow.

• Metal Options: Solid 10K/ 14K / 18K Yellow Gold, Rose Gold, or White Gold.

• Sustainability: 100% conflict-free, eco-conscious lab-created center and side stones.

Why You’ll Love It T

he elongated marquise cut creates a flattering, finger-lengthening silhouette, while the wide sunburst halo amplifies the overall surface area and sparkle of the ring. With vintage milgrain craftsmanship and a comfortable, tapered band, it delivers royalty-level drama without sacrificing everyday wearability.