Hexagon Cut Lab Grown Diamond Three-Stone Engagement Ring

IGI Report IncludedMade to OrderInsured Delivery

1 of 8

$761.00

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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 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.

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.

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

Cut · Three Stone

Center

Cut

Carat

1 ct

Customizable

Metal

Customizable

Setting

Three Stone

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	Elongated Hexagon Step Cut · 12.50 × 5.40 mm · approx. 1.50 ct	1–4.5 ct
Side diamonds	2 trapezoid step-cut diamonds · approx. 0.31 ct total	Three-Stone layout
Total diamond weight	approx. 1.81 ct · 3 diamonds	Varies with selected center
Stone type	Lab Grown Diamond	—
Setting	Six-Prong Three-Stone with trapezoid sides and open gallery	—
Finish · Occasion	High Polish · Engagement, Anniversary	—

Diamond details

Shape	Size	Qty	Weight (approx.)
Elongated Hexagon Step Cut	12.50 × 5.40 mm	1	1.50 ct
Trapezoid Step Cut	—	2	0.31 ct total
Total	—	3	1.81 ct

At a glance

An elongated hexagon lab grown diamond three-stone engagement ring from Signora Jewels.

A 1.50 ct, 12.50 × 5.40 mm step-cut center is flanked by 2 trapezoid step-cut diamonds totaling approx. 0.31 ct. Approx. 1.81 ct total.

Made to order in 11 metals: silver, 10K/14K/18K gold (yellow, white, rose) and platinum.

Choose your center weight and metal for this made-to-order ring.

Signora Jewels sets the 12.50 × 5.40 mm elongated hexagon between two trapezoid diamonds, keeping all three stones in the same crisp step-cut language. The trapezoids widen beside the center and taper into the polished shank, giving this three-stone ring a clean geometric transition without pavé.

The open gallery rises approximately 6.0–6.5 mm. At the base, the band measures about 1.70 mm wide and 1.40 mm thick, so the lower shank stays fine beneath the broad three-stone top.

Design highlights

1.50 ct elongated hexagon step-cut center in the reference design
Center measures approx. 12.50 × 5.40 mm
2 trapezoid step-cut side diamonds totaling approx. 0.31 ct
Six-Prong Three-Stone setting
Elevated open gallery with tapered shoulders
Approx. 1.81 ct total diamond weight

The trapezoids act like extensions of the center rather than separate accent shapes. Their straight facets continue the mirror-like pattern outward, then narrow into the shank so the elongated hexagon remains the visual anchor.

Diamond & Ring Details

Specification	Details
Center stone	Elongated Hexagon Step Cut · 12.50 × 5.40 mm · approx. 1.50 ct in the photos
Side stones	2 trapezoid step-cut diamonds · approx. 0.31 ct total
Total diamond weight	approx. 1.81 ct in the photographed configuration
Diamond count	3
Setting	Six-Prong Three-Stone with trapezoid sides and open gallery
Center options	1, 1.5, 2, 2.5, 3, 3.5, 4 and 4.5 ct
Finish	High Polish

Measurements are approximate; your selected center weight sets the final diamond dimensions and total weight.

About Lab Grown Diamonds

The elongated hexagon and trapezoid side stones all use long step facets, producing broad flashes and clean bands of contrast instead of a fine brilliant-cut sparkle pattern. Read more about cut and proportion in the diamond stone guide.

Metal, Care & Fit

White gold and platinum keep the three stone settings visually close to the diamonds, while yellow and rose gold create stronger contrast around their geometric outlines. Compare choices in the metal guide. Clean beneath the open gallery and around both trapezoid settings with warm water, mild soap and a soft brush.

FAQ

Why are trapezoid diamonds paired with the elongated hexagon?
The two trapezoids repeat the center's straight step facets and taper naturally toward the shank. That makes the three diamonds read as one geometric composition rather than three unrelated shapes.

How much diamond weight is in the two side stones?
The two trapezoid step-cut diamonds total approximately 0.31 ct. Together with the 1.50 ct reference center, the photographed configuration totals approximately 1.81 ct.

How high does the center sit?
The setting rises approximately 6.0–6.5 mm. The open gallery lifts the elongated hexagon above the tapered shoulders without creating an unusually tall profile.

Will this three-stone ring work with a wedding band?
The trapezoid settings occupy some space beside the center, so a straight band can leave a slight gap. A contoured band follows the geometric three-stone profile more closely.

How should the trapezoid side settings be cleaned?
Use a soft brush around the narrow outer edges of both trapezoids and underneath the center gallery. Those junctions collect more residue than the polished lower shank.

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