Marquise Lab-Grown Diamond Engagement Ring with Plit Shank Bezel
Marquise Lab-Grown Diamond Engagement Ring with Plit Shank Bezel
Nyx Jewel Size Guide
| US | UK/AU | DIA (mm) | CIRC (mm) |
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How to Measure
Wrap a piece of paper or string around your finger. Mark where it overlaps, then measure that length with a ruler in millimeters. Slide to match your measurement above.
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Product Description
Product Description
Specifications
- Center stone: Marquise cut lab-grown diamond — chosen in the Ring Builder
- Accent stones: None — center stone only
- Stone orientation: East-west (across the finger)
- Setting: Marquise in a Split Shank bezel on a fine tapered band
- Metal: 10K, 14K & 18K solid gold and platinum
- Certification: IGI certificate on the center stone
- Ring sizes: US 3–10, including half sizes
- Made to order: 7-day production, then shipping
💎 Price shown after selecting your center stone.
Use our Ring Builder to choose your preferred diamond — carat, cut, and quality. Your final price is calculated once your center stone is selected.
From the side this ring is almost nothing — a hairline of gold and a stone lying flat across the top of the finger.
The setting
The marquise is set Split Shank in a shallow flat bezel that meets the shank directly, with no gallery, no basket and no lift. The band tapers slightly toward the back. Because the bezel is flat rather than raised, the profile is the lowest of any setting in this collection — the stone sits practically on the skin. That also means the pavilion is close to the finger and gets less light from below, so the cut quality of the stone matters more here than in an open setting.
About our lab-grown diamonds
Every stone we set is a lab-grown diamond — the same carbon crystal structure, hardness and optical behavior as a mined diamond, grown rather than extracted. Center stones of 1 carat and above ship with an IGI certificate stating carat, cut, color and clarity. Melee and pave stones are matched to the same color and clarity range but are not individually certified.
About the photographs
The photographs on this page show this setting made with one specific stone. The setting is exactly what you will receive; a different center stone changes the proportions — a heavier one spans more of the finger and sits a little higher. We photograph every finished ring and send you those images before it ships.
Common questions
Does a low setting make the diamond look duller?
Slightly, in any bezel — less light enters from below. A well-cut stone still reads bright; a poorly cut one has nowhere to hide. We only set stones with excellent proportions in this mount.
Best for someone who works with their hands?
Yes. It is the flattest and smoothest setting here — nothing protrudes, nothing snags.
Do the photographs show the exact ring I will receive?
The setting, yes — those are photographs of this setting made in our workshop. The diamond in them is one specific stone, so a different center stone will not look identical: a heavier one covers more of the finger and sits slightly higher. We photograph every finished ring and send you those images before it ships.
Is the center stone certified?
Yes. Every center stone of 1 carat and above ships with an IGI certificate stating carat, cut, color and clarity. Accent and pave stones are matched to the same color and clarity range but are not individually certified.
Materials & Care
Materials & Care
Material
Our pieces are thoughtfully crafted in
100% certified recycled gold, paired with ethically sourced lab-grown diamonds and moissanite. Designed with precision, each creation reflects timeless beauty and modern craftsmanship.
Care
To preserve its brilliance, remove your jewelry before exposure to chemicals, water, or heavy activities. Store it safely and clean occasionally with a soft cloth for a lasting shine.
Shipping & Returns
Shipping & Returns
Shipping
Enjoy complimentary shipping on every order. Each piece is thoughtfully packaged to protect its beauty in transit. Standard delivery takes 5–9 business days, with faster shipping options available.
Returns & Exchanges
We want you to love your piece. If not, returns and exchanges are accepted within 30 days of delivery. Simply ensure items are unworn and in original packaging to begin the process.
Virtual Appointment
Arrange a private virtual consultation and experience our lab-grown diamond and moissanite collections wherever you are.
Daily: 7am–3pm ET Book a CallShare
Everything inside the box.
Your Ring
Handcrafted to order
IGI Certificate
Diamond grading report
Luxury Box
Proposal-ready
Hidden Birthstone
Set inside the band
Warranty Card
Lifetime coverage
Polishing Cloth
Keep her sparkling
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Doubts? Good.
The right ring deserves them.
Yes. 100%. They're chemically, optically, and physically identical to mined diamonds — same hardness, same fire, same sparkle. Even a jeweler can't tell them apart without specialized equipment. The only difference is origin: ours grew in a few weeks instead of a few billion years.
Ready-to-ship pieces arrive in 3–5 business days with free insured shipping. Custom rings and bridal sets take 2–3 weeks — because each is handcrafted to order. We'll keep you posted at every stage, including a final photo before it ships.
No-questions-asked 30-day returns on every non-customized piece. If it's not perfect, send it back — full refund, no awkward calls. For custom and engraved pieces, we offer store credit so you can choose again.
Complimentary resizing within the first month— including a return-shipping label. Our lifetime warranty also covers ongoing maintenance, polishing, and minor repairs at no cost. The ring is yours forever; so is our service.