Round Lab Grown Diamond Solitaire Engagement Ring (1.50 ct)

IGI Report IncludedMade to OrderInsured Delivery

Round lab grown diamond solitaire ring in yellow gold

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$1,033.00

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

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

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
Ring style	Solitaire
Center diamond	Round · 7.40 mm · Approx. 1.50 ct
Total diamond weight	Approx. 1.50 ct (1 Diamond)
Stone type	Lab Grown Diamond
Setting	Four-Prong Solitaire
Finish	High Polish
Occasion	Engagement, Anniversary

AT A GLANCE

A round Lab Grown Diamond solitaire engagement ring from Signora Jewels.

Features one approximately 1.50 ct round brilliant lab grown diamond measuring 7.40 mm in a classic four-prong setting.

Made to order in 11 metal options: Sterling Silver, 9K, 14K and 18K gold in yellow, white and rose, plus Platinum.

Made to order — select your options above. Want something custom?
Customize your jewelry here.

A single round Lab Grown Diamond is all this design needs. Crafted by Signora Jewels, this solitaire engagement ring celebrates clean lines, balanced proportions and exceptional brilliance, allowing the center stone to remain the unmistakable focus.

The refined band keeps attention on the diamond while the classic four-prong setting lifts it to maximize light from every angle. Designed for everyday comfort, it pairs beautifully with wedding bands or shines confidently on its own.

Design Highlights

Approx. 1.50 ct round lab grown diamond
Classic four-prong solitaire setting
7.40 mm round brilliant center stone
Comfort-fit high polish band
Available in 11 premium metal options
Ideal engagement and anniversary ring

The beauty of this design lies in its simplicity. With nothing competing against the center diamond, every movement catches the light and showcases the brilliance of a timeless solitaire.

About Lab Grown Diamonds

Round brilliant diamonds feature 57–58 facets designed for maximum light return, making them the most popular choice for engagement rings.

Every Signora Jewels lab grown diamond is chemically, physically and optically identical to a mined diamond, graded on the same 4C standards while offering exceptional value.

Metal, Care & Fit

Choose from Sterling Silver, 9K, 14K or 18K yellow, white or rose gold, or Platinum. Order your usual ring size for the best fit. Clean using warm water, mild soap and a soft brush, and store separately to maintain its brilliance.

FAQ

Is the 1.50 ct diamond included?
Yes. This is a fixed solitaire ring and the approximately 1.50 ct lab grown diamond shown is included in the purchase.

Are lab grown diamonds real diamonds?
Yes. They are chemically, physically and optically identical to mined diamonds and are graded using the same 4C standards.

What is the total diamond weight?
The ring features one round brilliant lab grown diamond with an approximate total weight of 1.50 ct.

Can this ring be resized?
Yes. Most precious metal versions can be professionally resized after purchase if required.

What is the difference between 9K and 18K gold?
18K gold contains more pure gold and has a richer color, while 9K offers excellent durability for everyday wear. Both are solid gold options.

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