Cushion Lab Grown Diamond Hidden Halo Engagement Ring

IGI Report IncludedMade to OrderInsured Delivery

Cushion Old Mine Cut Lab Grown Diamond hidden halo engagement ring in yellow gold with a compass four-prong setting.

1 of 9

$817.00

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 ct lab-grown diamond · IGI report · Signora Certificate included.

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Center Diamond:

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Forever, A & J

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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.

Selected: —

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

Cushion Cut · Halo

Center

Cushion Cut

Carat

1 ct

Customizable

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	In the photos	Customizable
Center diamond	Cushion Old Mine Cut · 7.85 × 6.00 mm · approx. 1.50 ct	1 ct, 1.5 ct, 2 ct, 2.5 ct, 3 ct, 3.5 ct, 4 ct, 4.5 ct
Hidden halo diamonds	18 Round Brilliant · approx. 0.09 ct total	Scale with center
Total diamond weight	Approx. 1.59 ct	Varies with center size
Stone type	Lab Grown Diamond	—
Setting	Compass Four-Prong Open Basket with Hidden Halo	—
Finish · Occasion	High Polish · Engagement, Anniversary, Bridal	—

At a glance

A cushion Old Mine cut lab grown diamond hidden halo engagement ring from Signora Jewels.

An approximately 1.50 ct cushion Old Mine cut diamond measuring 7.85 × 6.00 mm is secured in a compass four-prong setting above a hidden halo of 18 round brilliant diamonds totaling approximately 0.09 ct.

Made to order in 11 metals: Silver, 10K/14K/18K Gold (Yellow, White and Rose) and Platinum.

Each metal color is shown in the photos. Choose your preferred center diamond weight and metal from the options on this page.

The cushion Old Mine cut is presented without a visible halo from above, allowing its soft outline and broad antique-style facets to remain the focal point. At Signora Jewels, a hidden halo of round brilliant diamonds sits beneath the center inside the open basket, creating flashes of light that appear only as the ring moves.

The compass four-prong setting secures the diamond from the north, south, east and west points, while the approximately 1.90 mm comfort-fit shank keeps the design balanced beneath the elevated basket. With an approximate setting height of 6.80 mm, the open gallery allows light beneath the center and makes routine cleaning straightforward.

Browse our engagement rings, compare diamond shapes in the diamond stone guide, or explore precious metal options in our metal guide.

Design highlights

Cushion Old Mine cut center shown at approximately 1.50 ct
Customizable center diamond from 1 ct to 4.5 ct
Compass four-prong setting
Hidden halo with 18 round brilliant diamonds totaling approximately 0.09 ct
Open basket gallery beneath the center stone
Comfort-fit shank approximately 1.90 mm wide

The hidden halo brightens the profile without changing the clean appearance from above. Combined with the compass prongs and open basket, it creates subtle sparkle beneath the cushion while preserving the character of the Old Mine cut.

Diamond & Ring Details

Specification	Details
Center stone	Cushion Old Mine Cut · 7.85 × 6.00 mm · approx. 1.50 ct (shown)
Hidden halo	18 Round Brilliant · approx. 0.09 ct total
Total weight / count	Approx. 1.59 ct · 19 diamonds
Setting	Compass Four-Prong Open Basket with Hidden Halo
Center options	1 ct, 1.5 ct, 2 ct, 2.5 ct, 3 ct, 3.5 ct, 4 ct and 4.5 ct
Finish	High Polish

Measurements are approximate. Your selected center diamond weight determines the final proportions of the finished ring.

About Lab Grown Diamonds

The Old Mine cut cushion features broad antique-style facets that produce larger flashes of light than a modern brilliant cut. Every center diamond is F color, VS1 clarity and , selected to complement the proportions of this hidden halo design.

Metal, Care & Fit

Available in Silver, 10K, 14K and 18K Yellow, White and Rose Gold, plus Platinum. Clean beneath the open basket and around the hidden halo using warm water, mild soap and a soft brush to maintain the sparkle of both the center and accent diamonds.

FAQ

What is a hidden halo?
A hidden halo places accent diamonds beneath the center stone instead of around its outer edge. This creates sparkle from the side while keeping the top view clean and uncluttered.

Why does this ring use a compass setting?
The four prongs are positioned at the north, south, east and west points of the cushion. This gives the diamond a balanced appearance while keeping the corners open and visible.

Does the hidden halo affect stacking with a wedding band?
No. The hidden halo sits beneath the center stone, allowing many straight wedding bands to pair closely with the ring while keeping the accent diamonds protected.

Which metal color best complements an Old Mine cut?
Yellow and rose gold enhance the antique-inspired character of the cushion, while white gold and platinum emphasize the crisp outline of the compass setting and the hidden halo.

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