Elegant, elongated, and timeless, this Marquise Lab-Grown Diamond Engagement Ring showcases a refined solitaire design with classic proportions. The brilliant marquise-cut IGI-certified lab-grown diamond is set in an airy open basket with rounded prongs, allowing light to enter the stone from every angle and maximize brilliance.
Crafted in solid 14K white gold, the petite band creates a sleek, minimalist silhouette that keeps the focus on the striking center stone. The marquise shape naturally elongates the finger, offering a graceful, sophisticated look that feels both bold and effortlessly elegant.
Designed for lifelong wear, this ring is ideal as a classic engagement ring, anniversary ring, or heirloom-quality solitaire for those who appreciate timeless design paired with ethical craftsmanship.
Please note: The matching wedding band can be custom made to order and is sold separately.
► PRODUCT DETAILS
► Metal: Solid 14K White Gold
► Finish: High polish
► Average Band Width: 1.7 mm
► Setting: Open basket with rounded prongs
► Profile: High-profile solitaire
► Fit: True to size
► Available by request:
– 14K Yellow Gold
– 14K Rose Gold
– Upgrade to 18K Gold (additional cost)
► GEMSTONE DETAILS
► Center Stone: Lab-Grown Diamond (IGI Certified)
► Shape / Cut: Marquise
► Center Stone Size: 6.0 × 12.0 mm (approx.)
► Average Total Carat Weight: ~1.7 ct
(Carat weight may vary slightly)
► Color: D (colorless)
► Clarity: VVS
► Hardness: 10 (Mohs scale)
► Accent Stones: Lab-Grown Diamonds
► Each lab-grown diamond ring includes:
– Certificate of authenticity
– Unique IGI serial number confirming quality and origin
► FEATURES
► Solid gold marquise-cut lab-grown diamond solitaire
► IGI-certified center diamond with exceptional brilliance
► Open basket setting for optimal light performance
► Elongated marquise shape for a flattering silhouette
► Petite band for a clean, timeless profile
► An ethical alternative to mined diamond engagement rings
► PERFECT FOR
► Classic solitaire engagement rings
► Marquise-cut diamond lovers
► Lab-grown diamond bridal jewelry
► Anniversary or vow-renewal rings
► Those seeking timeless elegance with ethical sourcing
► SIZING, CUSTOM & PRODUCTION NOTES
► Available Sizes: US 3–10
► Half and quarter sizes available
► Larger or smaller sizes available upon request (priced accordingly)
► Complimentary engraving included
– Limit: 16 characters
► This ring is made to order
– Please allow 3–5 weeks for handcrafted production
– Requested modifications may affect production time and pricing
► Alternative gemstones available
– Please contact us for a custom quote
► Ring sizing may vary slightly between jewelers
– Please consult our sizing guide before ordering:
https://aquamarise.com/pages/find-your-size
► Optional professional appraisal available via dropdown
– Appraisal fee is non-refundable once completed
► WHY YOU’LL LOVE IT
This Marquise Lab-Grown Diamond Solitaire Ring embodies understated luxury. The elongated marquise cut offers striking presence and elegance, while the minimalist white gold setting ensures timeless appeal. Crafted with precision and set with a certified lab-grown diamond, this ring is designed to be worn, loved, and treasured for generations.
✨ Processing Time
- Silver, Vermeil, Tungsten & Engraved Items: 1–4 business days
- Made-to-Order Solid Gold & Platinum Jewelry: 2–5 weeks, depending on the design
🚚 U.S. Delivery Estimates
- USPS Ground Advantage: 3–12 business days
- UPS Ground: 3–7 business days
- UPS 3 Day Select: 3 business days
- UPS 2nd Day Air: 2 business days
- UPS Next Day Air Saver: 1 business day
Delivery times begin once your order has shipped and may vary due to carrier delays. Upgraded shipping is prioritized. Shipping fees are non-refundable.
🌍 International Shipping & Customs
We ship worldwide. Delivery times vary by destination and method selected at checkout.
For many countries, duties and taxes can be prepaid at checkout for a smoother delivery — if prepaid, no additional fees will be due upon arrival.
Customs fees are determined by your country and are non-refundable once the order has shipped.
The number of characters (including spaces) that can be engraved depends on the size and design of the piece. At Aquamarise, the standard character limit is:
- Women's rings: 16 characters
- Men's rings: 25 characters
FONT OPTIONS
We offer a selection of elegant font styles for engraving:
Option 1: Print - Bell MT (Recommended)
Option 2: Cursive - Brush MT
Option 3: Script - Vladimir Script
Please review our full engraving information here
Marquise Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified)
- Unit price
- /per
Ring Size Chart
| Inside Circumference (mm) |
US, Canada, Mexico Size | UK, Australia, Ireland, New Zealand, South Africa |
France | Germany, Russia, Ukraine, Asia | India, China, Japan, South America, Turkey, Israel |
Italy, Spain, Netherlands, Switzerland |
| 44.2 | 3.00 | F | 44.00 | 14.00 | 4.00 | 4.00 |
| 44.8 | 3.25 | F 1/2 | 44.63 | 14.25 | 4.63 | 4.63 |
| 45.5 | 3.50 | G | 45.25 | 14.50 | 5.25 | 5.25 |
| 46.1 | 3.75 | G 1/2 | 45.88 | 14.75 | 5.88 | 5.88 |
| 46.8 | 4.00 | H | 46.50 | 15.00 | 6.50 | 6.50 |
| 47.4 | 4.25 | H 1/2 | 47.13 | 15.25 | 7.13 | 7.13 |
| 48.0 | 4.50 | I | 47.75 | 15.50 | 7.75 | 7.75 |
| 48.7 | 4.75 | J | 48.38 | --- | 8.38 | 8.38 |
| 49.3 | 5.00 | J 1/2 | 49.00 | 15.75 | 9.00 | 9.00 |
| 50.0 | 5.25 | K | 49.63 | 16.00 | 9.63 | 9.63 |
| 50.6 | 5.50 | K 1/2 | 50.25 | 16.25 | 10.25 | 10.25 |
| 51.2 | 5.75 | L | 50.88 | --- | 10.88 | 10.88 |
| 51.9 | 6.00 | L 1/2 | 51.50 | 16.50 | 11.50 | 11.50 |
| 52.5 | 6.25 | M | 52.13 | 16.75 | 12.13 | 12.13 |
| 53.1 | 6.50 | M 1/2 | 52.75 | 17.00 | 12.75 | 12.75 |
| 53.8 | 6.75 | N | 53.38 | --- | 13.38 | 13.38 |
| 54.4 | 7.00 | N 1/2 | 54.00 | 17.25 | 14.00 | 14.00 |
| 55.1 | 7.25 | O | 54.63 | 17.50 | 14.63 | 14.63 |
| 55.7 | 7.50 | O 1/2 | 55.25 | 17.75 | 15.25 | 15.25 |
| 56.3 | 7.75 | P | 55.88 | --- | 15.88 | 15.88 |
| 57.0 | 8.00 | P 1/2 | 56.50 | 18.00 | 16.50 | 16.50 |
| 57.6 | 8.25 | Q | 57.13 | 18.25 | 17.13 | 17.13 |
| 58.3 | 8.50 | Q 1/2 | 57.75 | 18.50 | 17.75 | 17.75 |
| 58.9 | 8.75 | R | 58.38 | 18.75 | 18.38 | 18.38 |
| 59.5 | 9.00 | R 1/2 | 59.00 | 19.00 | 19.00 | 19.00 |
| 60.2 | 9.25 | S | 59.63 | 19.25 | 19.63 | 19.63 |
| 60.8 | 9.50 | S 1/2 | 60.25 | 19.50 | 20.25 | 20.25 |
| 61.4 | 9.75 | T | 60.88 | 19.75 | 20.88 | 20.88 |
| 62.1 | 10.00 | T 1/2 | 61.50 | 20.00 | 21.25 | 21.25 |
| 62.7 | 10.25 | U | 62.13 | 20.25 | 22.13 | 22.13 |
| 63.4 | 10.50 | U 1/2 | 62.75 | 20.50 | 22.75 | 22.75 |
| 64.0 | 10.75 | V | 63.38 | --- | 23.38 | 23.38 |
| 64.6 | 11.00 | V 1/2 | 64.00 | 20.75 | 24.00 | 24.00 |
| 65.3 | 11.25 | W | 64.63 | --- | 24.63 | 24.63 |
| 65.9 | 11.50 | W 1/2 | 65.25 | 21.00 | 25.25 | 25.25 |
| 66.6 | 11.75 | X | 65.88 | --- | 25.88 | 25.88 |
| 67.2 | 12.00 | X 1/2 | 66.50 | 21.25 | 26.50 | 26.50 |
| 68.1 | 12.25 | Y | 67.13 | 21.50 | 27.13 | 27.13 |
| 68.5 | 12.50 | Z | 67.75 | 21.75 | 27.75 | 27.75 |
| 69.1 | 12.75 | Z 1/2 | 68.38 | --- | 28.38 | 28.38 |
| 69.7 | 13.00 | --- | 69.00 | 22.00 | 29.00 | 29.00 |
Need help? Contact us
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Elegant, elongated, and timeless, this Marquise Lab-Grown Diamond Engagement Ring showcases a refined solitaire design with classic proportions. The brilliant marquise-cut IGI-certified lab-grown diamond is set in an airy open basket with rounded prongs, allowing light to enter the stone from every angle and maximize brilliance.
Crafted in solid 14K white gold, the petite band creates a sleek, minimalist silhouette that keeps the focus on the striking center stone. The marquise shape naturally elongates the finger, offering a graceful, sophisticated look that feels both bold and effortlessly elegant.
Designed for lifelong wear, this ring is ideal as a classic engagement ring, anniversary ring, or heirloom-quality solitaire for those who appreciate timeless design paired with ethical craftsmanship.
Please note: The matching wedding band can be custom made to order and is sold separately.
► PRODUCT DETAILS
► Metal: Solid 14K White Gold
► Finish: High polish
► Average Band Width: 1.7 mm
► Setting: Open basket with rounded prongs
► Profile: High-profile solitaire
► Fit: True to size
► Available by request:
– 14K Yellow Gold
– 14K Rose Gold
– Upgrade to 18K Gold (additional cost)
► GEMSTONE DETAILS
► Center Stone: Lab-Grown Diamond (IGI Certified)
► Shape / Cut: Marquise
► Center Stone Size: 6.0 × 12.0 mm (approx.)
► Average Total Carat Weight: ~1.7 ct
(Carat weight may vary slightly)
► Color: D (colorless)
► Clarity: VVS
► Hardness: 10 (Mohs scale)
► Accent Stones: Lab-Grown Diamonds
► Each lab-grown diamond ring includes:
– Certificate of authenticity
– Unique IGI serial number confirming quality and origin
► FEATURES
► Solid gold marquise-cut lab-grown diamond solitaire
► IGI-certified center diamond with exceptional brilliance
► Open basket setting for optimal light performance
► Elongated marquise shape for a flattering silhouette
► Petite band for a clean, timeless profile
► An ethical alternative to mined diamond engagement rings
► PERFECT FOR
► Classic solitaire engagement rings
► Marquise-cut diamond lovers
► Lab-grown diamond bridal jewelry
► Anniversary or vow-renewal rings
► Those seeking timeless elegance with ethical sourcing
► SIZING, CUSTOM & PRODUCTION NOTES
► Available Sizes: US 3–10
► Half and quarter sizes available
► Larger or smaller sizes available upon request (priced accordingly)
► Complimentary engraving included
– Limit: 16 characters
► This ring is made to order
– Please allow 3–5 weeks for handcrafted production
– Requested modifications may affect production time and pricing
► Alternative gemstones available
– Please contact us for a custom quote
► Ring sizing may vary slightly between jewelers
– Please consult our sizing guide before ordering:
https://aquamarise.com/pages/find-your-size
► Optional professional appraisal available via dropdown
– Appraisal fee is non-refundable once completed
► WHY YOU’LL LOVE IT
This Marquise Lab-Grown Diamond Solitaire Ring embodies understated luxury. The elongated marquise cut offers striking presence and elegance, while the minimalist white gold setting ensures timeless appeal. Crafted with precision and set with a certified lab-grown diamond, this ring is designed to be worn, loved, and treasured for generations.
✨ Processing Time
- Silver, Vermeil, Tungsten & Engraved Items: 1–4 business days
- Made-to-Order Solid Gold & Platinum Jewelry: 2–5 weeks, depending on the design
🚚 U.S. Delivery Estimates
- USPS Ground Advantage: 3–12 business days
- UPS Ground: 3–7 business days
- UPS 3 Day Select: 3 business days
- UPS 2nd Day Air: 2 business days
- UPS Next Day Air Saver: 1 business day
Delivery times begin once your order has shipped and may vary due to carrier delays. Upgraded shipping is prioritized. Shipping fees are non-refundable.
🌍 International Shipping & Customs
We ship worldwide. Delivery times vary by destination and method selected at checkout.
For many countries, duties and taxes can be prepaid at checkout for a smoother delivery — if prepaid, no additional fees will be due upon arrival.
Customs fees are determined by your country and are non-refundable once the order has shipped.
The number of characters (including spaces) that can be engraved depends on the size and design of the piece. At Aquamarise, the standard character limit is:
- Women's rings: 16 characters
- Men's rings: 25 characters
FONT OPTIONS
We offer a selection of elegant font styles for engraving:
Option 1: Print - Bell MT (Recommended)
Option 2: Cursive - Brush MT
Option 3: Script - Vladimir Script
Please review our full engraving information here
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