Lab Grown Diamond Engagement Ring "Marquee"

$2,699.00
Color: White Gold
Diamond Carat Weight
Ring size
FREE Shipping & Lead Time

We offer free shipping on all jewelry via insured UPS. Each piece is crafted to order with a production lead time of 7-10 business days. Please plan your purchases accordingly, particularly if you have specific dates in mind.

FAST Money-Back Guarantee

If you're not completely satisfied with your purchase, you can receive a full refund within 15 days of the purchase date, as long as the item is in its original condition. FAST refunds are processed on the same business day we receive the returned jewelry. Additionally, within 30 days of purchase, you can exchange the item for a full credit towards another item of equal or greater value.

EASY Lifetime Manufacturing Warranty

KOMO is dedicated to ensuring complete customer satisfaction and peace of mind, which is why every jewelry purchase comes with our EASY lifetime warranty, covering any manufacturing defects related to the item's structure. If a manufacturing defect is beyond repair we will replace the jewelry item at no expense to you and cover all shipping costs. Any repairs done by an outside jeweler will void the EASY warranty.

FAIR Trade-In Value

We're always delighted to welcome back one of our diamonds for your next step up! When you're ready to upgrade a diamond you purchased from KOMO, here's what we offer:

  • You'll receive the full amount you paid for your original diamond (excluding tax) as a credit towards your new diamond purchase.
  • All original diamond certificates need to be provided to complete the return.
  • The diamond being traded in must be undamaged and in its original condition.
  • The new diamond purchase must be at least double the original trade-in value.
  • We accept all mountings as part of the trade-in, despite wear. They will be valued based on the current market price of gold/platinum. A credit will also be offered for any side diamonds.

Product details

Average weight: 3.50 - 4.60 g*

Diamond (Center):

  • Origin: Lab-grown CVD/HPHT
  • Weight: 2.00 - 7.00 carat
  • Quantity: 1 pc.
  • Shape: Radiant-cut
  • Color: G+
  • Clarity: VS1+

Diamonds (Side):

  • Origin: Lab-grown CVD/HPHT
  • Total weight: 0.48 carat
  • Shape: Round
  • Color: E
  • Clarity: VS1

*Jewelry weight may vary by 10-20% depending on the selected diamond carat weight.

Marquee Lab Grown Diamond Engagement Ring with Radiant-Cut Brilliance

The Marquee engagement ring from the Deco Atelier collection features a brilliant radiant-cut lab-grown diamond (2.00-7.00 carats) with elegant pavé enhancement. The center stone showcases exceptional G+ color and VS1+ clarity, while the sophisticated setting with 0.48 carats of round accent diamonds in 14K white gold creates the collection's signature architectural precision with geometric elegance and structured luxury.

The round accent diamonds with pristine E color and VS1 clarity are strategically positioned to enhance the radiant-cut's natural fire while maintaining the clean lines that define the Deco Atelier aesthetic. This thoughtful construction delivers edge-to-edge clarity and geometric perfection that suits contemporary wardrobes with tailored sophistication.

Premium Lab Grown Diamond Excellence

Each diamond is created using advanced CVD/HPHT technology, possessing identical properties to mined diamonds while representing sustainable luxury. The radiant-cut's unique square profile with cropped corners delivers maximum brilliance through hybrid faceting, showcasing superior quality that defines the intersection of architectural beauty and modern sustainable values with exceptional light performance.

Deco Atelier Collection Geometric Precision

The Deco Atelier collection transforms architectural inspiration into wearable luxury through precise proportions and sharp symmetry. The Marquee ring's radiant-cut design with pavé enhancement creates the collection's signature city-chic refinement while the clean geometric lines ensure this piece delivers timeless appeal with structured elegance that transcends fashion trends for enduring sophistication.

Experience architectural brilliance where radiant-cut precision meets geometric enhancement in a sophisticated masterpiece of sustainable luxury and modern design.

FREE Insured Shipping

Complimentary UPS shipping within the continental USA.

FAST Money-Back Guarantee

No questions asked, same-day refunds if you change your mind.

EASY Lifetime Warranty

Hassle-free lifetime manufacturing warranty with free replacements.

FAIR Trade-In Value

Full value of your KOMO diamonds towards your next KOMO purchase.