New

Monique Lhuillier Bliss Certified Marquise-Cut Lab-Grown Diamond Engagement Ring

3-3/8 ct tw
● 18K Two-Tone Gold
Discounted Price $6,089.99 Original Price was $8,699.99 30% Off
Now $5,480.99  • with promo - 10% Off Select Styles. Discount Applied in Bag.
Until 10/30/26 at 11:59 PM EST  • 
Expert guidance & care :Chat with an Expert
Free and easy 30-day returns
This certified lab-grown diamond engagement ring gives all the feels.

  • 18K yellow gold with an 18K white gold setting
  • A 3-carat marquise-cut lab-grown diamond captivates in talon-prongs
  • Round-cut lab-grown diamonds encrust the setting and line the bridge
  • More round lab-grown diamonds in varied sizes decorate the sculpted shank
  • A signature element of lab-grown diamonds and milgrain detailing encircles the band, symbolizing unity and eternal love
  • Total lab-grown diamond weight is 3 3/8 carats
  • Independently certified
  • From the Monique Lhuillier Bliss collection, available exclusively at KAY
  • This ring is available in limited sizes; if you don't see your size here, please visit a store to order your ring
Item #: 212436707
This exclusive designer collection captures effortless sophistication to help you celebrate every day and every occasion in style.
Diamond tennis bracelet, diamond necklace and hoops

The KAY Promise

We’re committed to responsibly sourcing all of our products — and to using our scale to advance human rights and preserve our planet.
Diamond tennis necklace

Lab-Grown Diamonds

Lab-grown diamonds have the same optical, chemical, and physical properties as natural diamonds. Because of that, lab-grown diamonds can be of comparable quality to natural diamonds in terms of color, clarity, cut, and carat weight, undergoing the same grading and certification processes and can achieve the same standards of excellence. They can be produced in abundance, they are less expensive and make larger diamonds more affordable. They’re the perfect choice if you value innovation and style and don’t want to compromise brilliance.
Monique Lhuillier Bliss Certified Marquise-Cut Lab-Grown Diamond Engagement Ring 3-3/8 ct tw 18K Two-Tone Gold | Kay