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Round Lab Grown Diamond Halo Engagement Ring
1 of 9
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 · Halo
Center
Round Brilliant
Carat
1 ct
CustomizableMetal
CustomizableSetting
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 | Round Brilliant · 6.40–6.50 mm · Approx. 1.00 ct | 1 ct, 1.5 ct, 2 ct, 2.5 ct, 3 ct, 3.5 ct, 4 ct, 4.5 ct |
| Halo Diamonds | 20 Round Brilliant · Approx. 0.16 ct | Scaled to suit selected center size |
| Shank Diamonds | 28 Round Brilliant · Approx. 0.18 ct | Scaled proportionally |
| Total Diamond Weight | Approx. 1.34 ct | Varies with selected center size |
| Stone Type | Lab Grown Diamond | — |
| Setting | Four-Prong Basket Halo with Cathedral Micro Pavé Shank | — |
| Finish · Occasion | High Polish · Engagement, Anniversary, Bridal | — |
At a glance
A round lab grown diamond halo engagement ring from Signora Jewels.
The ring shown features a 6.40–6.50 mm round brilliant lab grown diamond weighing approximately 1.00 ct. Twenty halo diamonds and twenty-eight micro pavé diamonds total approximately 0.34 ct, bringing the total diamond weight to approximately 1.34 ct.
Made to order in Silver, 9K, 14K and 18K Yellow, White and Rose Gold, plus Platinum.
Select your preferred center diamond size and precious metal using the options on this page.
The round brilliant center diamond is secured in a classic four-prong basket that rises from a cathedral gallery, allowing light to enter beneath the stone while keeping the profile elegant and balanced. A closely fitted halo of round brilliant diamonds frames the center, increasing its visual presence while maintaining the timeless proportions of the round cut.
Micro pavé diamonds continue along the shoulders, creating uninterrupted sparkle that naturally guides the eye toward the center stone. The cathedral shank provides additional structural support while preserving a refined silhouette suitable for everyday wear. Signora Jewels crafts every ring to order in your selected precious metal and center diamond size.
Design Highlights
- Customizable round brilliant lab grown diamond from 1 ct to 4.5 ct
- Four-prong cathedral basket setting
- Round brilliant diamond halo
- Micro pavé shoulders
- Open cathedral gallery
- High polish finish
Browse more Halo Engagement Rings, explore our Engagement Ring Guide, or compare precious metals using our Metal Guide.
Diamond & Ring Details
| Specification | Details |
|---|---|
| Center Diamond | Round Brilliant · 6.40–6.50 mm · Approx. 1.00 ct (shown) |
| Halo Diamonds | 20 Round Brilliant · Approx. 0.16 ct |
| Shank Diamonds | 28 Round Brilliant · Approx. 0.18 ct |
| Total Stones | 49 |
| Total Diamond Weight | Approx. 1.34 ct |
| Center Diamond 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. Final dimensions vary according to the selected center diamond size.
About Lab Grown Diamonds
The round brilliant cut is celebrated for exceptional light return and balanced brilliance. The surrounding halo enhances the visual size of the center diamond, while the micro pavé shoulders create a continuous flow of sparkle from every angle.
Metal, Care & Fit
Available in Silver, 9K, 14K and 18K Yellow, White and Rose Gold, plus Platinum. Clean beneath the cathedral basket and around the halo and pavé settings with warm water, mild soap and a soft brush to maintain maximum brilliance.
FAQ
Does the halo make the center diamond appear larger?
Yes. The surrounding halo creates a larger visual outline while preserving the classic round shape of the center diamond.
Can I choose a different center diamond size?
Yes. This design is available with center diamond options from 1 ct through 4.5 ct while maintaining the same overall style.
Why is the cathedral basket used?
The cathedral shoulders reinforce the basket while elevating the center stone to improve light performance and create an elegant profile.
Is the pavé band suitable for everyday wear?
Yes. The pavé diamonds are securely set into the shoulders, and the polished lower shank provides a comfortable fit for daily wear.
Common questions
Ring questions, answered
Timing, shipping, certification and return eligibility for made-to-order rings.
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Answers last updated August 2, 2026
When will my order ship?
Standard listed pieces are made to order with an estimated dispatch of 7 business days. Use the product-page estimate when it is more specific and the timing confirmed after ordering. Delivery timing begins after dispatch and varies by destination and carrier service. Fully custom commissions follow the production schedule confirmed with their approved specifications or CAD.
When is insured worldwide delivery free?
Orders of US$500 or more receive free express, insured and tracked worldwide delivery. Below US$500, express, insured and tracked worldwide delivery is charged at the fixed rate shown at checkout.
Will I have to pay import duties?
For every destination available at checkout, Signora prepays applicable import duties and import taxes. Customers should not be asked to pay those import charges again on delivery.
What certificate comes with my jewelry?
Every finished piece includes a Signora Jewelry Certificate. Each selected individual lab-grown center or primary diamond of 0.50 ct or above includes an IGI grading report. Below 0.50 ct, IGI can be arranged by custom request. Custom moissanite and gemstone selections include GRA documentation, with the exact scope confirmed in the approved specifications. The product page or approved specifications state the exact laboratory, report type and scope.
Can I return a made-to-order listed design?
Standard listed products are eligible for return within 30 days after carrier-recorded delivery when unworn, unused and in their original condition, with the original packaging and included documents. Normal listed choices such as metal, stone carat, chain or bracelet length, an extended ring size, or complimentary engraving do not by themselves make an item Final Sale. A sale or discount also does not imply Final Sale; only an item explicitly classified as Final Sale follows the non-returnable exclusion.
How are fully custom orders handled?
A fully custom commission is different from a listed made-to-order design. After its specifications or CAD are approved, a normal change-of-mind return does not apply. Manufacturing defects remain reviewable. Signora may accept an exceptional non-defect return case by case; documented labor and genuinely non-recoverable costs may be deducted, but these deductions are not a restocking fee.