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Marquise Cut Diamond Cathedral Ring
1 of 14
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 · Solitaire
Center
Marquise Cut
Metal
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 | Details |
|---|---|
| Ring style | Solitaire |
| Center diamond | Marquise · 10.16 × 5.08 mm · approx. 0.86 ct |
| Total diamond weight | approx. 0.86 ct (1 stone) |
| Stone type | Lab Grown Diamond |
| Setting | Four-Prong Solitaire |
| Finish | High Polish |
| Occasion | Engagement |
Made to order — select your options above. Want something fully custom?
This marquise lab grown diamond solitaire engagement ring highlights the beauty of an elongated silhouette with a clean, modern setting that lets the center stone take center stage.
The graceful marquise cut creates a larger face-up appearance while naturally elongating the finger. Four carefully positioned prongs secure the diamond while maintaining an airy, light-filled profile.
Crafted to order and finished in a high polish, this solitaire offers a refined balance of simplicity, brilliance, and everyday wearability.
Design highlights
- Marquise lab grown diamond center stone
- Approx. 0.86 ct diamond weight
- Elongated silhouette creates a larger visual presence
- Four-prong solitaire setting
- Open gallery for enhanced light performance
- Sleek high-polish band
- Comfortable for daily wear
- Available in 11 precious metal options
Spotlight: The marquise cut is prized for its elegant proportions and ability to maximize visual size. Its pointed ends and elongated shape create a distinctive look that feels both timeless and contemporary.
About Lab Grown Diamonds
A marquise stretches weight across a long, pointed boat shape, so it presents one of the largest face-up sizes per carat. Its tapering ends draw the eye down the finger and make a confident, regal statement.
Every Signora Jewels diamond is grown in a controlled lab using the CVD process, producing a stone that is chemically, optically, and physically identical to a mined diamond — same hardness, same fire, graded on the same 4C scale. Because the supply chain is short and traceable, you get a larger, cleaner stone for the same budget and a documented origin, with no mining footprint. The result is a diamond that looks and tests exactly as a natural one, with more carat and clarity for your money.
FAQ
Why choose a marquise diamond?
A marquise diamond offers one of the largest face-up appearances per carat and creates a flattering elongated look on the finger.
Is the marquise shape durable?
Yes. The pointed ends are protected by the prong placement, helping secure the diamond while preserving its elegant shape.
Can this ring be customized?
Choose your options on this page; for anything beyond that we make custom pieces — Customize your jewelry here.
Are lab grown diamonds real diamonds?
Yes. They are identical to mined diamonds in chemistry, hardness, and sparkle, and are graded on the same 4C scale.
What metals and colors can I choose?
Silver, 9K, 14K, and 18K Gold in yellow, white, and rose, plus Platinum.
Will it last for everyday wear?
Yes. Lab grown diamonds rank 10 on the Mohs hardness scale and are suitable for a lifetime of daily wear.