Round Cut Lab Grown Diamond Halo Engagement Ring

IGI Report IncludedMade to OrderInsured Delivery

Round lab grown diamond engagement ring in yellow gold with cushion-shaped pavé halo, four-prong center and diamond shoulders

1 of 8

$759.00

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Independently graded by IGI IGI Report Included Selected 0.50 ct+ lab-grown center or primary diamond · IGI grading report · Signora Jewelry Certificate included. 1.06 ct lab-grown diamond · IGI report · Signora Certificate included.

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Complimentary · hand-engraved to order · adds about 3–4 days.

Arrives 7 business days to make, then 5–8 insured & tracked.

30-day returns Courier, insurance & duties covered. No restocking fee.

Duties & taxesPrepaid at checkout. Nothing extra to pay on delivery.

Estimated dispatch: 7 business days Duties & taxes prepaid

Ring size guide

Lay a ring you own flat on the circle and slide until it sits just inside it — or set its inner diameter directly.

Measure the inside of a ring that already fits — inner edge to edge — with a ruler in mm, then set it below. No ring handy? Try Measure your finger.

14 mm 24 mm 17.3 mm

Inner diameter mm

US size

UK size

EU size

Circumference

54.3 mm

Between sizes? Always choose the larger size. Fingers are slightly bigger in the evening — measure then for the best fit.

Method 1 — Use an existing ring

Find a ring that fits the intended finger comfortably.
Place it flat and measure the inner diameter (inside edge to inside edge) in mm.
Enter that measurement in the Measure a ring tab.

Method 2 — Wrap and measure

Wrap a thin strip of paper around the base of your finger.
Mark where it overlaps — measure that length in mm (your circumference).
Divide by 3.1416 (π) to get your diameter, then use the Measure a ring tab.

Tip: Middle finger sizes typically run half a size larger than the ring finger. If between sizes, go up. Measure in the evening — fingers are slightly larger then.

7US size

US	UK	EU	Diameter	Circumference

Highlighted row = your converted size. Most common women's sizes are US 6–7. All measurements in mm.

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The Signora Promise

Hand-finished in SuratMade to order

Reports where statedExact scope shown

Insured deliverySigned & tracked

Secure checkoutShopify checkout

Standard-design returns30-day eligibility

Final inspectionChecked before dispatch

About This Ring

Round Brilliant · Halo

Center

Round Brilliant

Metal

Customizable

Setting

Halo

An independent IGI grading report is included when the selected individual lab-grown center or primary diamond is 0.50 ct or larger.

Detail	Details
Center diamond	Round Brilliant Cut · 6.41 × 6.36 × 4.02 mm · approx. 1.06 ct
Halo diamonds	Approx. 20–22 Round Brilliant · 0.18 ct total
Shoulder diamonds	Approx. 18–20 Round Brilliant · 0.15 ct total
Total diamond weight	Approx. 1.39 ct · 39–43 diamonds
Stone type	Lab Grown Diamond
Diamond quality	F Color · VS1 Clarity
Setting	Halo with cushion-shaped pavé border and Four-Prong round center
Band	Diamond-set shoulders · approx. 1.70 mm wide and 1.60 mm thick at base
Setting height	Approx. 6.0–6.5 mm
Finish · Occasion	High Polish · Engagement

Diamond details

Shape	Size	Qty	Weight (approx.)
Round Brilliant center	6.41 × 6.36 × 4.02 mm	1	1.06 ct
Round Brilliant halo diamonds	Individual diameters not supplied	20–22	0.18 ct
Round Brilliant shoulder diamonds	Individual diameters not supplied	18–20	0.15 ct
Total	—	39–43	1.39 ct

At a glance

A round lab grown diamond halo engagement ring from Signora Jewels.

One 1.06 ct round brilliant, 6.41 × 6.36 × 4.02 mm, held by four prongs inside a cushion-shaped halo. Approximately 38–42 accent diamonds total 0.33 ct.

Made to order in 10K, 14K and 18K gold, available in yellow, white and rose gold.

Made to order in your selected gold color and purity with a fixed 1.06 ct center diamond.

Signora Jewels places a 6.41 × 6.36 mm round brilliant inside a cushion-shaped pavé halo. Four rounded gold prongs hold the center, while approximately 20–22 smaller diamonds follow the halo's softly squared outline.

Another 18–20 round diamonds continue down the shoulders. The band narrows to approximately 1.70 mm at its base, leaving the 1.39 ct diamond arrangement concentrated across the top of the ring.

Design highlights

1.06 ct round brilliant center measuring 6.41 × 6.36 × 4.02 mm
Four-Prong center surrounded by a cushion-shaped Halo
Approximately 20–22 halo diamonds totaling 0.18 ct
Approximately 18–20 shoulder diamonds totaling 0.15 ct
Softly squared halo corners around a circular center diamond
1.39 ct total diamond weight across approximately 39–43 stones

The contrast between the round center and the cushion-shaped outer border is the defining detail. Small diamonds fill the four rounded corners, giving the head a broader silhouette without changing the center stone's circular outline.

About Lab Grown Diamonds

The round brilliant center reflects light through its closely arranged facets, while smaller round diamonds extend the bright perimeter into a cushion outline. Explore our diamond stone guide for more about round brilliant cuts.

Metal, Care & Fit

Choose yellow, white or rose gold in 10K, 14K or 18K purity. The halo sits above the diamond-set shoulders, so a straight companion band needs clearance around the head. Explore our halo engagement rings or follow the jewelry care guide for cleaning the pavé.

FAQ

Why is the halo cushion-shaped when the center diamond is round?
The halo uses approximately 20–22 round diamonds arranged around a softly squared perimeter. This creates four rounded outer corners around the circular 1.06 ct center.

How much diamond weight is in the halo and shoulders?
The halo contributes approximately 0.18 ct, and the shoulders add approximately 0.15 ct. Together, the 38–42 accent diamonds total 0.33 ct, bringing the ring to approximately 1.39 ct.

How is the round center secured?
Four polished prongs hold the 1.06 ct round brilliant at separate points around its edge. The surrounding halo sits outside the center setting, leaving sections of the center diamond visible between the prongs.

Will a straight wedding band sit flush beside the cushion halo?
The setting height is estimated at 6.0–6.5 mm, with shoulders measuring approximately 1.85–2.00 mm wide. A flush fit depends on the completed setting's side clearance, so compare it with the intended wedding band.

How should I clean the cushion halo and pavé shoulders?
Use warm water, mild soap and a soft brush around the halo corners and between the shoulder diamonds. Rinse thoroughly and pat dry without drawing fabric through the small prongs.

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