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Dutch Marquise Lab Grown Diamond Floral 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
Marquise Cut ·
Center
Marquise Cut
Carat
1 ct
CustomizableMetal
CustomizableSetting
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 | Dutch marquise · 11.2 × 6.0 mm · approx. 1.70 ct | 1–4.5 ct |
| Accent diamonds | 14 mixed-shape diamonds · approx. 0.20 ct total | Scales with center |
| Total diamond weight | approx. 1.90 ct · 15 stones | Varies with selected center |
| Stone type | Lab Grown Diamond | — |
| Setting | Six-Prong | Scales with center |
| Band | Open leaf-and-vine shoulders with mixed diamond accents | — |
| Finish · Occasion | High Polish · Engagement, Anniversary, Bridal | — |
Diamond details
| Shape | Size | Qty | Weight (approx.) |
|---|---|---|---|
| Dutch marquise center | 11.2 × 6.0 mm | 1 | 1.70 ct |
| Marquise accents | — | 4 | 0.12 ct total |
| Round accents | — | 10 | 0.08 ct total |
| Total | — | 15 | 1.90 ct |
At a glance
A Dutch marquise lab grown diamond nature-inspired engagement ring from Signora Jewels.
The photographed design centers a 1.70 ct Dutch marquise measuring approximately 11.2 × 6.0 mm in a six-prong setting, with 14 marquise and round accent diamonds totaling approximately 0.20 ct. Approx. 1.90 ct total.
Made to order in 11 metals: silver, 9K/14K/18K gold (yellow, white, rose) and platinum.
Each metal color is shown in the photos. Choose a 1 ct, 1.5 ct, 1.7 ct, 2 ct, 2.5 ct, 3 ct, 3.5 ct, 4 ct or 4.5 ct center and your preferred metal from the options on this page.
Signora Jewels sets the 11.2 × 6.0 mm Dutch marquise inside a band that branches around the center instead of meeting it in a straight shoulder. Six prongs secure the photographed 1.70 ct diamond, with dedicated contact at both pointed ends, while polished vines curl through the open spaces on either side.
Four small marquise diamonds follow the leaf shapes and ten rounds fill the tighter turns in the vine, adding approximately 0.20 ct altogether. The botanical shoulders reach about 5.00 mm near the center before narrowing to a 2.20 mm lower shank.
Design highlights
- Dutch marquise center customizable from 1 to 4.5 ct
- 1.70 ct reference center measuring approximately 11.2 × 6.0 mm
- Four marquise accent diamonds totaling approximately 0.12 ct
- Ten round accent diamonds totaling approximately 0.08 ct
- Six-prong center setting with protection at both pointed ends
- Open leaf-and-vine shoulders reaching approximately 5.00 mm near the center
The accent shapes follow the metal instead of sitting in a conventional row. Marquise cuts become pointed leaves, rounds occupy the smaller bends, and open sections between the vines let the branching pattern remain visible. Browse more engagement rings, compare elongated cuts in the diamond stone guide, or review the available choices in the metal guide.
Diamond & Ring Details
| Specification | Details |
|---|---|
| Center stone | Dutch marquise · 11.2 × 6.0 mm · approx. 1.70 ct in the photographed design |
| Marquise accents | 4 diamonds · approx. 0.12 ct total |
| Round accents | 10 diamonds · approx. 0.08 ct total |
| Total weight / count | approx. 1.90 ct · 15 stones in the photographed design |
| Setting | Six-Prong |
| Band | Nature-inspired open leaf-and-vine shoulders |
| Band details | Approx. 2.20 mm lower width · 1.85 mm lower thickness · 5.00 mm shoulder width |
| Setting height | Approx. 7.50 mm at the 1.70 ct reference weight |
| Center options | 1 ct, 1.5 ct, 1.7 ct, 2 ct, 2.5 ct, 3 ct, 3.5 ct, 4 ct, 4.5 ct |
| Finish | High Polish |
Measurements are approximate. The selected center weight determines the final diamond dimensions, setting proportions and total diamond weight.
About Lab Grown Diamonds
The Dutch marquise reference center measures approximately 11.2 × 6.0 mm at 1.70 ct. Its elongated outline ends in two narrow points, so the six-prong arrangement protects both tips while additional contact points support the long sides. Marquise and round accents repeat that mix of pointed and curved forms through the shoulders.
Metal, Care & Fit
The reference construction uses approximately 6.30 g of 18K gold before the diamonds are set. Yellow and rose gold make the branching vines easier to distinguish; white gold and platinum keep the accent settings closer in tone to the stones. Clean from both sides with warm water, mild soap and a soft brush, working between the open vines and behind the smaller diamonds.
FAQ
How are the pointed ends of the Dutch marquise protected?
The six-prong setting includes contact at both pointed ends of the center. Those end prongs protect the most vulnerable areas of the approximately 11.2 × 6.0 mm reference diamond.
What do the mixed-shape accents add to the vine shoulders?
Four marquise and ten round diamonds add approximately 0.20 ct in the photographed design. The marquise cuts follow the pointed leaf forms while rounds fit the tighter curves in the vine.
How wide are the nature-inspired shoulders?
The branching shoulder area reaches approximately 5.00 mm near the center before narrowing into a 2.20 mm lower shank. Open spaces between the vines break up that width.
How high does the 1.70 ct reference setting sit?
The photographed setting is approximately 7.50 mm high. Its open gallery leaves access beneath the center while the vines approach the basket from either side.
How should I clean between the leaves and accent diamonds?
Use warm water, mild soap and a soft brush from both sides. Brush behind the four marquise and ten round accents as well as through the open vine sections where residue can collect.
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.