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Oval Lab Grown Diamond Solitaire Engagement Ring
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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
Oval Cut · Solitaire
Center
Oval Cut
Carat
1 ct
CustomizableMetal
CustomizableSetting
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 | In the Photos | Customizable |
|---|---|---|
| Center Diamond | Oval Cut · 8.60 × 6.40 mm · Approx. 1.50 ct | 1 ct, 1.5 ct, 2 ct, 2.5 ct, 3 ct, 3.5 ct, 4 ct, 4.5 ct |
| Side Diamonds | 6 Marquise Cut + 4 Round Brilliant · Approx. 0.23 ct Total | Scaled proportionally to the selected center size |
| Total Diamond Weight | Approx. 1.73 ct | Varies with selected center size |
| Stone Type | Lab Grown Diamond | — |
| Setting | Four-Prong Cathedral Basket with Marquise & Round Accent Shoulders | — |
| Finish · Occasion | High Polish · Engagement, Anniversary, Bridal | — |
At a glance
An oval lab grown diamond solitaire engagement ring from Signora Jewels.
The ring shown features an 8.60 × 6.40 mm oval cut lab grown diamond weighing approximately 1.50 ct. Six marquise cut and four round brilliant accent diamonds total approximately 0.23 ct, creating an approximate total diamond weight of 1.73 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 oval center diamond is secured within a classic four-prong cathedral basket that protects the stone while allowing generous light to enter through the open gallery beneath. Its elongated silhouette enhances finger coverage and showcases the balanced brilliance of the oval cut.
Marquise and round brilliant accent diamonds decorate each shoulder in a graceful botanical arrangement that leads naturally toward the center stone. The slim comfort shank keeps the profile refined while allowing the side accents to complement, rather than compete with, the solitaire design. Signora Jewels crafts every ring to order in your selected precious metal and center diamond size.
Design Highlights
- Customizable oval lab grown diamond from 1 ct to 4.5 ct
- Four-prong cathedral basket setting
- Six marquise cut side diamonds
- Four round brilliant accent diamonds
- Open gallery construction
- High polish finish
Browse more Solitaire Engagement Rings, explore our Engagement Ring Guide, or compare precious metals using our Metal Guide.
Diamond & Ring Details
| Specification | Details |
|---|---|
| Center Diamond | Oval Cut · 8.60 × 6.40 mm · Approx. 1.50 ct (shown) |
| Marquise Side Diamonds | 6 Stones · Approx. 0.21 ct Total |
| Round Accent Diamonds | 4 Stones · Approx. 0.02 ct Total |
| Total Stones | 11 |
| Total Diamond Weight | Approx. 1.73 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 oval cut is prized for its elongated silhouette and exceptional brilliance. Marquise side diamonds echo its graceful proportions, while the round brilliant accents add subtle sparkle that enhances the overall composition without overwhelming the center stone.
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 marquise and round accent diamonds using warm water, mild soap and a soft brush to maintain brilliance.
FAQ
Why is the oval diamond mounted in a cathedral basket?
The cathedral basket supports the center stone securely while allowing more light to reach it through the open gallery.
Can I select a larger center diamond?
Yes. This design is available with center diamond options from 1 ct through 4.5 ct while maintaining the same elegant proportions.
What do the marquise side diamonds add?
They create graceful leaf-like accents that complement the oval center and add visual flow along the shoulders.
Is this ring comfortable enough for everyday wear?
Yes. The slim comfort shank, cathedral construction and balanced setting are designed for comfortable daily wear while showcasing the center diamond.
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.