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Oval Lab Grown Diamond Vintage Engagement Ring
1 of 9
The Signora Promise
Hand-finished in SuratMade to order
IGI Report IncludedExact scope shown
Insured deliverySigned & tracked
Secure checkoutShopify checkout
Standard-design returns30-day eligibility
Final inspectionChecked before dispatch
About This Ring
Oval Cut · Halo
Center
Oval Cut
Carat
1 ct
CustomizableMetal
CustomizableSetting
Halo
An independent IGI grading report is included when the selected individual lab-grown center diamond is 1.00 ct or larger. Its report number is laser-inscribed on that report-bearing center diamond. Accent and side diamonds are matched and inspected to Signora Standards and are not individually laboratory graded.
| Detail | In the photos | Customizable |
|---|---|---|
| Center diamond | Oval Brilliant · 11.89 × 8.18 × 5.15 mm · approx. 3.00 ct | 1 ct, 1.5 ct, 2 ct, 2.5 ct, 3 ct, 3.5 ct, 4 ct, 4.5 ct |
| Accent diamonds | 38 Round Brilliant · approx. 0.17 ct total | Scale with center |
| Accent gemstones | 2 Round Emeralds · approx. 0.03 ct total | Fixed design |
| Total diamond weight | Approx. 3.17 ct | Varies with center size |
| Stone type | Lab Grown Diamond | — |
| Setting | Four-Prong Cathedral Basket with Hidden Halo, Hand-Engraved Shank and Emerald Side Accents | — |
| Finish · Occasion | High Polish · Engagement, Anniversary, Bridal | — |
At a glance
An oval lab grown diamond vintage engagement ring from Signora Jewels.
An approximately 3.00 ct oval brilliant measuring 11.89 × 8.18 × 5.15 mm is secured in a four-prong cathedral basket with a hidden halo, 38 round brilliant accent diamonds totaling approximately 0.17 ct and two round emerald side accents totaling approximately 0.03 ct.
Made to order in 11 metals: Silver, 9K/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 elongated oval brilliant remains the focal point while a hidden halo beneath the basket introduces sparkle that appears only from the side. At Signora Jewels, hand engraving and fine milgrain decorate the shank, while two round emerald accents bring subtle color that complements the vintage-inspired design without overpowering the center stone.
The approximately 2.10 mm comfort-fit shank flows into cathedral shoulders that elevate the basket above an open gallery, allowing light to reach the pavilion from beneath. The engraved details and hidden halo create visual interest from every angle while preserving a clean view of the oval from above.
Browse our engagement rings, compare diamond shapes in the diamond stone guide, or explore precious metal options in our metal guide.
Design highlights
- Oval brilliant center shown at approximately 3.00 ct
- Customizable center diamond from 1 ct to 4.5 ct
- Hidden halo with 20 round brilliant diamonds
- Hand-engraved vintage shank with 18 round accent diamonds
- Two round emerald side accents
- Four-prong cathedral basket with open gallery
The hidden halo enhances the profile rather than the face of the ring, while the engraved shank and emerald accents introduce distinctive vintage character. Together they create an heirloom-inspired design that remains centered around the brilliance of the oval diamond.
Diamond & Ring Details
| Specification | Details |
|---|---|
| Center stone | Oval Brilliant · 11.89 × 8.18 × 5.15 mm · approx. 3.00 ct (shown) |
| Accent diamonds | 38 Round Brilliant · approx. 0.17 ct total |
| Accent gemstones | 2 Round Emeralds · approx. 0.03 ct total |
| Total weight / count | Approx. 3.17 ct · 41 stones |
| Setting | Four-Prong Cathedral Basket with Hidden Halo, Hand-Engraved Shank and Emerald Side Accents |
| 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 oval brilliant combines elongated proportions with brilliant faceting to create exceptional sparkle and elegant finger coverage. Every center diamond is F color, VS1 clarity and , selected to complement the proportions of this vintage-inspired design.
Metal, Care & Fit
Available in Silver, 9K, 14K and 18K Yellow, White and Rose Gold, plus Platinum. Clean beneath the hidden halo, around the engraved shank and between the emerald accents with warm water, mild soap and a soft brush to keep every detail bright.
FAQ
What makes the hidden halo different from a traditional halo?
The hidden halo sits beneath the center stone instead of surrounding it from above. It adds sparkle from the side while preserving the clean outline of the oval diamond.
Why are emerald accents included in the shank?
The two round emeralds introduce subtle color that complements the vintage engraving and creates a distinctive heirloom-inspired appearance.
Will the engraved shank require special care?
The engraved details benefit from occasional cleaning with a soft brush to remove buildup from the fine grooves and maintain their definition.
Can this ring be paired with a wedding band?
Yes. The cathedral basket allows many straight wedding bands to sit close, while vintage-style bands pair naturally with the engraved shank and hidden halo design.
Common questions
Ring questions, answered
Timing, shipping, certification and return eligibility for made-to-order rings.
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Answers last updated July 31, 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 express shipping free?
The configured free-shipping reference is orders over $500 USD. Eligibility, any currency equivalent, the available service and the final shipping charge are determined by the cart and Shopify checkout for your destination and order total before payment.
Will I have to pay import duties?
Duties and applicable import taxes are prepaid by Signora for deliveries to the US, UK and Canada. You should not be asked to pay them again on delivery.
What certificate comes with my jewelry?
Every finished Signora jewelry product includes a Signora Jewelry Certificate. Any independent stone report included with the selected configuration is shown in the product details and order record.
Can I return a made-to-order listed design?
Standard listed products are eligible for return within 30 days of 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 are still handled, and Signora will review any exceptional circumstances with the customer.