Round Lab Grown Diamond Prong Set Signet Ring

IGI Report IncludedMade to OrderInsured Delivery

round diamond signet ring in yellow gold

1 of 12

$1,684.00

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

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Metal:

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Ring size Choose one

Forever, A & J

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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.

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

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	Men's Signet Ring
Center diamond	Round · 6.00 mm · Approx. 0.85 ct
Total diamond weight	Approx. 0.85 ct
Stone type	Lab Grown Diamond
Setting	Four-Prong
Finish	High Polish
Occasion	Wedding, Gift

Made to order — select your preferred metal using the options above. Want something custom?

Customize your jewelry here.

Designed with clean lines and a timeless masculine profile, this men's signet ring showcases a brilliant round lab grown diamond secured in a classic four-prong setting. The broad polished shoulders flow seamlessly into the center, creating a refined design that feels both modern and enduring.

The 6.00 mm round lab grown diamond weighs approximately 0.85 carat, offering exceptional brilliance while maintaining a balanced, everyday-wearable appearance. The elevated four-prong setting allows light to reach the diamond from every angle, maximizing its natural sparkle without compromising durability.

Design Highlights

One round lab grown diamond
Approx. 0.85 ct total diamond weight
Classic four-prong solitaire setting
Modern men's signet design
Wide comfort-fit band
High-polish finish
Available in Silver, 9K, 14K, 18K Gold and Platinum
Made to order

With its clean proportions and understated styling, this ring is designed to become a signature everyday piece. The polished signet silhouette and brilliant round diamond create a confident look that's equally suited to weddings, milestone celebrations and daily wear.

About Lab Grown Diamonds

The round brilliant cut is celebrated for its exceptional fire and sparkle, making it the world's most popular diamond shape. Its precisely engineered facets maximize light return, giving this ring outstanding brilliance from every angle.

Every Signora diamond is lab grown—chemically, physically and optically identical to a mined diamond while offering exceptional beauty, excellent value.

Metal, Care & Fit

Available in Silver, 9K, 14K and 18K Gold in Yellow, White and Rose, as well as Platinum. The comfort-fit interior ensures all-day wearability, while the secure four-prong setting keeps the center diamond safely in place. Clean with warm water, mild soap and a soft brush, then dry with a lint-free cloth to maintain its brilliant finish.

FAQ

What diamond does this ring feature?
The ring features one Round Lab Grown Diamond measuring approximately 6.00 mm with a total weight of approximately 0.85 carat.

Is this a men's ring?
Yes. The broad signet profile and clean architectural design are created specifically for men who appreciate timeless fine jewelry.

Are lab grown diamonds real diamonds?
Absolutely. Lab grown diamonds are chemically, physically and optically identical to mined diamonds and are graded using the same international standards.

Which metals are available?
Choose from Silver, 9K, 14K and 18K Gold in Yellow, White and Rose, as well as Platinum. Every ring is individually crafted to order.

Is this ring suitable for everyday wear?
Yes. The sturdy signet construction and secure four-prong setting make it an excellent choice for comfortable daily wear.

Can this ring be customized?
Yes. We can customize the finish or create a bespoke version through our custom jewelry service if you'd like something uniquely yours.

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