Discover timeless elegance with the Round Hidden Halo Lab Diamond Engagement Ring with Pavé Band by GiliBili. Available in 1ct, 2ct, 3ct, 4ct, and 5ct, each stone is IGI certified, laser inscribed, and handset in solid 14kt or 18kt gold. Choose from white, yellow, or rose gold—never plated, always pure.

The pavé band and hidden halo are handset with fine white melee lab diamonds, adding a continuous shimmer from every angle. These accent stones are expertly matched for color and clarity, enhancing the brilliance of the center round diamond without overpowering it.

Featuring a round brilliant cut diamond (RBC), this ring delivers exceptional sparkle from every angle. Paired with a hidden halo and diamond pavé band, the center stone—graded D color, VVS clarity—boasts excellent polish and symmetry and no fluorescence. From a delicate 1ct lab engagement ring to a dazzling 5ct round halo solitaire, it’s a forever piece made for the spotlight.

Why Round Brilliant Cut Diamonds Are Always in Style

Universally flattering and eternally luminous, round brilliant diamonds never go out of style—making them a perfect choice for any moment.

The round brilliant cut diamond is the most iconic and sparkliest shape. Engineered for maximum light reflection, it offers 58 perfectly calculated facets that deliver unmatched brilliance and fire. Perfectly balanced and eternally classic, the round cut suits every hand, every style, every moment.

Round Brilliant Diamond Cut Specs: Designed for Fire and Brilliance

Precision cut to perfection, each round lab diamond is engineered to deliver superior sparkle and clarity from every angle.

• Shape: Round Brilliant Cut (RBC)
• D color (colorless)
• VVS clarity (nearly flawless)
• IGI certified + laser girdle inscription
  
• Excellent Cut
• Excellent Polish
• Excellent Symmetry
• No fluorescence

1ct Round Lab Diamond Engagement Ring with Hidden Halo

Our most loved entry point to fine diamond luxury—simple, timeless, and endlessly wearable for everyday sparkle.

The perfect start to forever. A 1ct lab engagement ring in round brilliant cut, this piece is understated yet radiant. The hidden halo adds a touch of sparkle below the surface for a modern surprise.

Crafted in solid 14kt or 18kt gold and available in white, yellow, or rose gold, this 1ct round lab diamond ring includes a laser-inscribed IGI certificate. Its delicate pavé band enhances the elegance without overwhelming the center stone. Ideal for women who love minimal glamour with daily wearability.

2ct Round Hidden Halo Solitaire Lab Diamond Ring

Double the carat, double the glow. A 2ct round brilliant cut diamond delivers bold sparkle with elevated brilliance.

The 2ct lab engagement ring delivers amplified brilliance in a timeless silhouette. The hidden halo intensifies sparkle without adding bulk.

This 2 carat round brilliant cut diamond is set in our signature hidden halo mount, with a pavé band that elevates the entire design. IGI certified and inscribed, the diamond’s D color and VVS clarity are showcased through thoughtful craftsmanship. Choose from solid 14kt or 18kt gold to complete your look.

3ct Round Brilliant Cut Lab Diamond Engagement Ring

Make a statement with presence and precision. A 3ct lab-grown round cut radiates unmatched brilliance and prestige.

Unapologetically bold. The 3ct lab-grown round diamond ring is brilliance personified. With a raised hidden halo and pavé detailing, it offers next-level sparkle.

Expertly set in solid white, yellow, or rose gold, the 3ct round lab diamond ring commands attention while keeping it classy. Certified by IGI and laser-inscribed, it’s a perfect choice for milestone engagements, anniversary gifts, or elevated self-love statements.

4ct Round Lab Diamond Ring with Pavé Band

High-carat elegance with maximum sparkle. A 4ct round brilliant cut shines in every setting and flatters every finger.

The 4ct round lab diamond ring blends size with sophistication. A larger-than-life center stone paired with a hidden halo keeps the sparkle dazzling but elegant.

Made in solid 14kt or 18kt gold, this diamond is D color, VVS clarity, and IGI certified. The band features a full pavé wrap, offering a shimmer from every angle. No fluorescence, just brilliance.

5ct Round Brilliant Cut Hidden Halo Lab Diamond Ring

Ultimate glamour in every sense. This 5ct hidden halo design is made to light up rooms—and lives—with confidence and fire.

The 5ct round hidden halo lab diamond ring is a celebration of everything radiant. Big, bold, and brilliant, it’s for those who live life in the spotlight.

This showstopper is IGI certified, laser inscribed, and mounted on a diamond pavé band in solid gold—14kt or 18kt. The hidden halo creates a lift that floods the stone with light. With no fluorescence, excellent polish and symmetry, and a perfectly round silhouette, this is confidence, crystallized.

What Are Lab-Grown Diamonds?

Lab-grown diamonds are real diamonds, made using advanced technology that replicates natural formation. They have the same sparkle, hardness, and chemistry as mined stones—and are IGI certified.

More ethical. More sustainable. Just as brilliant.

👉 Learn more about lab-grown diamonds

How to Care for Your Lab Diamond Engagement Ring

Clean your diamond with warm water, mild soap, and a soft brush. Avoid harsh chemicals and store safely to prevent scratching.

👉 How to care for your lab diamond ring

Want a Custom Design?

Design your dream ring with us. From pavé placements to unique halos and mixed-metal bands—we’ll help you customize every detail.

👉 Create your custom diamond ring

Not Sure About Your Ring Size?

Download our printable sizing chart or order a free ring sizer to get the fit just right.

👉 Find your ring size here

FAQs

• Are lab-grown diamonds considered real diamonds? Yes. Our lab diamonds are physically and optically identical to mined ones, and come IGI certified with laser inscription.
• What is a hidden halo setting? A subtle diamond halo tucked beneath the center stone for added sparkle and elegance.
• What is a pavé band? A setting style featuring small diamonds set closely together to create a continuous sparkle.
• What metal options do you offer? Solid 14kt or 18kt gold in white, yellow, or rose gold—no plating.
• Is this ring suitable for daily wear? Absolutely. It’s designed to be durable, secure, and stunning day in, day out.