Round Cut Lab Grown Diamond Four-Prong Engagement Ring

IGI Report IncludedMade to OrderInsured Delivery

Round lab grown diamond four-prong engagement ring in yellow gold with spaced round diamond accents and slim polished band

1 of 9

$569.00

Price updates with your selections

Independently graded by IGI IGI Report Included Selected 0.50 ct+ lab-grown center or primary diamond · IGI grading report · Signora Jewelry Certificate included. 1.0 ct lab-grown diamond · IGI report · Signora Certificate included.

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Metal:

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Forever, A & J

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Engraving 0 / 20

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

For ChristmasOrder by Monday 30 November for delivery before 25 December. Holiday gift guide

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 · Solitaire

Center

Round Brilliant

Metal

Customizable

Setting

Solitaire

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 · approx. 6.4–6.5 mm diameter · 1.00 ct
Accent diamonds	Approx. 6–8 Round Brilliant · 0.13 ct total
Total diamond weight	Approx. 1.13 ct · 7–9 diamonds
Stone type	Lab Grown Diamond
Diamond quality	F Color · VS1 Clarity (store standard)
Setting	Four-Prong with round center and individually spaced shoulder diamonds
Band	Polished shank · approx. 1.35 mm wide and 1.50 mm thick at base
Shoulder width	Approx. 1.45–1.60 mm
Setting height	Approx. 6.0–6.5 mm
Finish · Occasion	High Polish · Engagement

Diamond details

Shape	Size	Qty	Weight (approx.)
Round Brilliant center	6.4–6.5 mm diameter	1	1.00 ct
Round Brilliant shoulder diamonds	Diameters not supplied	6–8	0.13 ct total
Total	—	7–9	1.13 ct

At a glance

A round lab grown diamond four-prong engagement ring from Signora Jewels.

One 1.00 ct round brilliant, approximately 6.4–6.5 mm across, held by four polished prongs. Approximately 6–8 round shoulder diamonds total 0.13 ct, giving 1.13 ct overall.

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

Plain lower shank measuring approximately 1.35 mm wide, with individually spaced accents, no halo and a 6.0–6.5 mm reference setting height.

Signora Jewels sets a 1.00 ct round brilliant between four polished claws in this engagement ring, leaving its circular edge visible between each contact. The reference diamond measures approximately 6.4–6.5 mm across.

Approximately 6–8 round diamonds sit individually along the shoulders, separated by short lengths of polished metal. Their combined 0.13 ct adds intermittent flashes rather than an unbroken pavé surface.

Design highlights

1.00 ct round brilliant center measuring approximately 6.4–6.5 mm
Four-Prong setting with polished rounded claws
Approximately 6–8 individually spaced round shoulder diamonds
0.13 ct total accent diamond weight
Plain polished lower shank measuring approximately 1.35 mm wide
1.13 ct total diamond weight without a halo

Seen from above, the center stands free of a halo. The smaller diamonds run outward along slender shoulders before the band becomes plain beneath the finger. The polished gaps are part of the design, not missing stones.

About Lab Grown Diamonds

The round brilliant center has closely arranged facets that reflect light across its circular face. The smaller shoulder diamonds repeat the same cut. Read our diamond stone guide for more about brilliant-cut diamonds.

Metal, Care & Fit

Choose yellow, white or rose gold in 10K, 14K or 18K purity. Brush gently around the four center prongs and individually secured shoulder diamonds, following our jewelry care guide.

FAQ

Are the shoulder diamonds set in one continuous pavé row?
No. Approximately 6–8 round diamonds are individually spaced along the shoulders, with visible sections of polished metal between them. They total approximately 0.13 ct.

How is the 1.00 ct round center secured?
Four polished prongs hold the center at separate points around its edge. The reference diamond measures approximately 6.4–6.5 mm across, with its faceted top exposed between the prongs.

Does this ring have a diamond halo?
No. The ring has one round brilliant center and approximately 6–8 round shoulder diamonds. No additional diamond border surrounds the center.

Will a straight wedding band sit flush beside the center setting?
The setting is approximately 6.0–6.5 mm high, while the shoulders measure approximately 1.45–1.60 mm wide. These dimensions do not guarantee a flush fit, so compare the completed ring with the intended companion band.

How should I clean between the spaced shoulder diamonds?
Use warm water, mild soap and a soft brush around each small diamond setting and all four center prongs. Rinse thoroughly and pat dry without pulling fabric underneath the metal claws.

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