Elongated Cushion Cut Lab-Grown Diamond Hidden Halo Engagement Ring in 14K White Gold (IGI Certified)
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Ring Size Chart
Find your ring size
- Print at 100% / Actual Size — turn off "fit to page" or scaling.
- Check the printed ruler measures exactly 80 mm.
Method A — Measure a ring
Lay a ring you own over the circles. The matching circle is your size.
Method B — Finger strip
Cut out the strip, wrap it around your finger, thread the end through the slit, and read your size.
This on-screen tool is a close guide, not a guaranteed exact fit. For certainty, order a ring sizer.
| US | Diameter | Circumf. | UK/AU/IE | EU |
|---|
UK, Australia & Ireland share the letter system. European sizes are approximate conversions.
Size Chart
Find your ring size
- Print at 100% / Actual Size — turn off "fit to page" or scaling.
- Check the printed ruler measures exactly 80 mm.
Method A — Measure a ring
Lay a ring you own over the circles. The matching circle is your size.
Method B — Finger strip
Cut out the strip, wrap it around your finger, thread the end through the slit, and read your size.
This on-screen tool is a close guide, not a guaranteed exact fit. For certainty, order a ring sizer.
| US | Diameter | Circumf. | UK/AU/IE | EU |
|---|
UK, Australia & Ireland share the letter system. European sizes are approximate conversions.
MADE TO ORDER: HANDCRAFTED IN 3–6 WEEKS
Questions about metal, sizing or timing? Talk to our team.
This elongated cushion cut engagement ring centers an IGI-certified lab-grown diamond — D color, VVS clarity, ~2ct at 6.5×9mm — in an open basket with claw prongs, above a petite 1.7mm band, all in solid 14K white gold. A hidden halo of lab-grown diamonds tucked beneath the center stone adds a whisper of extra sparkle, while the elongated cushion shape flatters and lengthens the finger. Timeless solitaire elegance with one quiet surprise.
The diamond
The center is a genuine lab-grown diamond — chemically, physically, and optically identical to a mined diamond (same carbon crystal, same 10 Mohs hardness, same fire and brilliance), grown in a lab and clearly disclosed. It's D color (the top, completely colorless grade) and VVS clarity, cut as an elongated cushion — a soft-cornered rectangle that reads larger than its carat weight and gracefully lengthens the hand. Every ring ships with an IGI certificate and a unique serial number verifying its quality and origin. Learn more in our complete guide to lab-grown diamonds, how lab-grown diamonds are made, and IGI vs GIA certification.
The hidden halo & open basket
Look at this ring face-on and it's a clean solitaire; look from the side and a delicate hidden halo of lab-grown diamonds circles the base of the center stone, catching light from angles a top halo never reaches. The open basket setting with claw prongs lifts the elongated cushion so light floods in from below, and the petite 1.7mm band keeps the whole profile sleek and modern. It's understated from above, quietly spectacular in profile. A matching wedding band can be custom made to order and is sold separately. Explore more cushion cut engagement rings, lab-grown diamond engagement rings, and solitaire engagement rings.
Choose your metal & karat
This ring is solid white gold throughout — the metal itself, never plated or filled — finished with bright rhodium polish for a crisp white backdrop that keeps the diamond reading icy and clean. Choose 10K, 14K, or 18K white gold, or step up to naturally white, hypoallergenic platinum, right from the drop-down: 10K is the hardest and most affordable, 14K is our most popular all-rounder, and 18K has the richest gold content, while platinum is the densest, most premium option and never needs re-plating. Prefer a warmer tone? 14K yellow or rose gold can also be made on request. If you're weighing karats, our 10K vs 14K vs 18K gold karat comparison guide breaks down the trade-offs in durability, color, and value.
- Ring type: Solitaire engagement ring (single ring; matching band custom made to order)
- Center stone: Lab-grown diamond, elongated cushion, 6.5×9mm, ~2ct, D color, VVS, 10 Mohs
- Certification: IGI certificate + unique serial number included
- Accents: Hidden halo of lab-grown diamonds
- Setting: Open basket with claw prongs, high-profile
- Metal: Solid 10K/14K/18K white gold or platinum, selected from the drop-down (14K yellow/rose on request)
- Band width: Approx. 1.7mm
- Engraving: Complimentary, up to 16 characters
- Made to order: Allow 3–5 weeks for handcrafted production
- Every order ships in a complimentary luxury velvet jewelry box
Sizing & care
Available in US sizes 3–10, including half and quarter sizes; larger or smaller sizes can be made on request and priced accordingly. Diamond is 10 Mohs — the hardest gemstone, effortless for daily wear — though the elongated cushion's corners sit protected by the prongs. Clean with warm soapy water and a soft brush to keep the hidden halo bright. Please reference our sizing guide before ordering, as sizing can vary slightly between jewelers. An optional written appraisal can be added from the drop-down menu (non-refundable once completed).
Elongated cushion cut engagement ring FAQs
Is the diamond real?
Yes — a genuine lab-grown diamond, chemically and optically identical to a mined diamond, with the same 10 Mohs hardness and brilliance. It's a real diamond with a lab origin, clearly disclosed — not moissanite or CZ.
What is an elongated cushion cut?
It's a cushion (pillow-shaped) diamond stretched into a longer rectangle with soft, rounded corners. The extra length flatters and lengthens the finger and makes the stone look larger than a square cushion of the same carat weight.
What is a hidden halo?
A hidden halo is a ring of small diamonds set around the base of the center stone, just under the crown — invisible from the top but sparkling from the side. It adds brilliance and the illusion of a larger center without changing the clean solitaire look from above.
What are the diamond's specs?
The center is an elongated cushion lab-grown diamond, approximately 6.5×9mm and ~2ct total, graded D color (completely colorless) and VVS clarity (very very slightly included). Carat weight may vary slightly as each ring is made by hand.
Is the diamond certified?
Yes. The center diamond is IGI certified and comes with a certificate of authenticity and a unique serial number confirming its grades and lab-grown origin.
Is this solid white gold or plated?
Solid white gold throughout, in whichever karat you choose — the metal itself, not plating or vermeil over a base metal. The color is permanent, won't wear off, and won't turn your skin green.
Which metal and karat should I choose?
Choose 10K, 14K, or 18K white gold, or platinum, right from the drop-down. 10K is the hardest and most affordable, 14K is our most popular all-rounder, 18K has the richest gold content, and platinum is naturally white, densest, and hypoallergenic. Prefer a warmer tone? 14K yellow or rose gold can also be made on request — message us and we'll provide a quote.
Does the elongated cushion make my finger look longer?
It does. The vertical, elongated outline draws the eye lengthwise along the finger, which slims and lengthens the hand — one reason elongated shapes are so popular for engagement rings.
Is there a matching wedding band?
Yes — a matching band can be custom made to order and is sold separately. Message us and we'll design one to nest with this ring.
What ring sizes are available?
US sizes 3–10, including half and quarter sizes. Larger or smaller sizes can be made on request and are priced accordingly. Please check our sizing guide before ordering.
Is engraving included?
Yes — complimentary engraving of up to 16 characters is included. Add your message at checkout.
How long does it take to make?
Each ring is handcrafted and made to order; please allow about 3–5 weeks for production. Requested customizations may affect the timeline and pricing.
Is it good for everyday wear?
Very. Diamond is a 10 on the Mohs scale — the hardest gemstone — and the open basket holds the stone securely while the corners sit protected by the prongs. Routine cleaning keeps it sparkling.
How do I care for it?
Soak in warm water with a little mild dish soap and gently brush with a soft toothbrush, especially under the hidden halo where light collects, then rinse and pat dry. Avoid harsh chemicals and remove it for heavy manual work.
Do I get an appraisal?
An optional professional written appraisal can be added from the drop-down menu. The appraisal fee is non-refundable once completed.
✨ Production time
Every ring on this page is cast, set and finished for your order. Nothing is taken from stock.
- Made-to-order solid gold and platinum: 3–6 weeks, depending on the design. Pavé settings, custom sizing and engraving sit at the longer end.
🚚 United States
Shipping is added once your ring is finished. These are the options you will see at checkout:
- USPS Ground Advantage — free on every order
- FedEx Home Delivery® — $10
- FedEx 2Day® — $22
- FedEx Overnight — $35
Please note: upgraded shipping speeds up transit only — it does not shorten the 3–6 week production time. Transit estimates begin the day your ring ships, not the day you order, and can vary with carrier delays. Shipping fees are non-refundable.
🌍 International
We ship worldwide with DHL. Live rates for your address are calculated at checkout — usually DHL Express Worldwide, with DHL eCommerce Parcel Standard also offered to some destinations as a slower, lower-cost option.
For many countries, duties and taxes can be prepaid at checkout for a smoother delivery — if prepaid, no additional fees are due on arrival. Customs fees are set by your country and are non-refundable once the order has shipped.
Every order ships fully insured and requires a signature. Full details on our Shipping & Delivery page.
Engraving is cut into the inside of the band, so it stays between the two of you.
AVAILABILITY
Engraving is offered on most — though not all — designs. If it is available for this ring, an engraving field appears with the options above.
CHARACTER LIMITS
Limits depend on the width and design of the band. Spaces count toward the total.
• Women’s rings: up to 16 characters
• Men’s rings: up to 25 characters
FONT AND SYMBOLS
Standard engraving is complimentary and set in Arial, chosen because it stays legible at very small sizes. These symbols are included at no extra cost:
♥ ♡ ☾ ✩ ★ ✿ ♬ ♯ • ■
Custom fonts, or symbols outside this selection, are available for $25. For a logo or bespoke design, email us an SVG file before you order so our team can confirm it will engrave cleanly. Very fine or highly detailed artwork may not suit narrow or delicate bands — we will tell you before we proceed rather than after.
HOW TO ORDER
• Choose your ring, metal and size
• Enter your text in the engraving field
• For a custom font or symbol, contact us before ordering
• Check your wording carefully before checkout — we engrave exactly what is entered
Engraved rings are cut specifically for you and are final sale. They cannot be returned or exchanged. See our Engraving page for examples, and Returns & Refunds for full terms.
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Complete the set
Solid Gold Wedding Bands
Contoured to sit flush against this setting — in matching 10K, 14K and 18K gold. Prefer the cooler white of platinum? We make those too.
Free U.S. Shipping + Worldwide Delivery
Ethically Sourced Gemstones
Handcrafted by Aquamarise®
Complimentary Engraving on Every Order
Free U.S. Shipping + Worldwide Delivery
Ethically Sourced Gemstones
Handcrafted by Aquamarise®
Complimentary Engraving on Every Order
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Frequently Asked Questions
Every ring on this page is made in solid gold or platinum — never plated, never gold-filled. Solid gold comes in 10K, 14K and 18K across yellow, white and rose; our platinum is 95% pure, naturally hypoallergenic, and white the whole way through. Available metals vary by design and are listed in the selector above. Our Precious Metal Guide explains how each one wears.
Side by side and brand new, the two look almost identical. The difference shows up over years of wear.
White gold is a gold alloy finished with rhodium for brightness. It sits lighter on the hand and costs less, and the rhodium finish is refreshed every few years to keep it crisp.
Platinum is white all the way through, so there is no finish to renew. It is around 40% denser — noticeably weightier — and over time develops a soft matte patina that many people prefer. It can be polished back to a high shine whenever you like.
Our Platinum vs Gold guide compares durability, cost and upkeep in full.
Solid gold is gold throughout — alloyed for strength, but the same metal at the surface as at the core. Gold vermeil is sterling silver with a layer of gold applied over it, which thins with wear and needs replating to stay bright. Rings on this page are solid gold or platinum only. Our Precious Metal Guide sets out where each makes sense.
Neither tarnishes. Gold and platinum are two of the most stable metals used in fine jewelry, and both hold their color indefinitely. Platinum does develop a satin patina as it is worn — that is surface texture rather than damage, and it polishes out at any time. Warm water, mild soap and a soft brush is all either metal asks for; see our Jewelry Care Guide.
Nothing on this page is pulled from a shelf. Each solid gold and platinum ring is cast, set and finished for your order, which takes 3 to 6 weeks depending on the design — pavé settings, custom sizing and engraving sit at the longer end. Shipping is added once your ring is finished, and paying for faster shipping speeds up transit only — it does not shorten production. Full timings are on our Shipping & Delivery page.
Use the Size Chart linked beside the Add to Bag button, or our full Ring Size Chart. Because these rings are made to order, we cut your size from the start rather than resizing a stock band — so measure carefully. Your first resizing is free if it is still not right. Most designs can be adjusted, though eternity bands and rings with stones set the whole way around usually cannot.
On most designs, yes — if engraving is available for this ring, a text field appears with the options above. Standard engraving is complimentary: up to 16 characters on women’s rings and 25 on men’s, set in Arial, with a small selection of symbols included. Custom fonts and symbols are $25 and are arranged before you order. See the Engraving page for what is possible. Engraved rings are final sale.
Returns and exchanges are accepted within 14 days of delivery on unworn rings in original condition. Because solid gold and platinum rings are made to order, they are subject to a restocking fee, and engraved pieces are final sale. Full terms are on our Returns & Refunds page. Every ring is also covered by our lifetime warranty against manufacturing defects.