






Lab Grown Marquise Diamond Necklace
Tax excluded. Shipping calculated at checkout
14kt Gold Lab Grown Marquise Diamond Necklace:
- 18.07cts lab grown diamonds
- DEF color, VS clarity, excellent cut
- Fashion style
Insured Shipping
Lead Time
If the item is not in stock, please allow 2-4 weeks for delivery.
Complete Description
Lab Grown Marquise Diamond Necklace – Dramatic Shape. Dazzling Impact.
Sculptural and stunning, this Lab Grown Marquise Diamond Necklace takes center stage with a bold array of marquise cut diamonds, totaling an extraordinary 18.07 carats. Each diamond is crafted to perfection — featuring DEF color, VS clarity, and excellent cut, ensuring a striking blend of brilliance and sophistication.
Available in 14kt Yellow Gold, White Gold, or Rose Gold, the necklace offers a modern yet regal silhouette that rests gracefully along the collarbone. The elongated marquise cut — known for its eye-catching curves and flattering shape — makes this a one-of-a-kind showpiece in your fine jewelry wardrobe.
Whether styled solo or layered with a delicate diamond pendant or bracelet, this piece embodies elevated fashion and sustainable sparkle.
Key Highlights:
- Diamond Shape: Marquise cut lab grown diamonds
- Carat Total: 18.07ct
- Diamond Specs: DEF color, VS clarity, excellent cut
- Material Options: 14kt White, Yellow, or Rose Gold
- Design: Fashion-forward necklace with bezel-inspired styling
- Occasion: High-end everyday wear, red carpet, statement gifting
Why You’ll Love It:
- Sculptural Brilliance: The marquise shape delivers elongation and elegance
- Lab Grown Luxury: Real diamonds with ethical origins
- Perfect Proportions: Statement size, balanced design
- Gemstone Geometry: A flattering layout with maximum fire and brilliance
Styling Tip:
Pair this necklace with marquise cut solitaire rings, a rose gold tennis bracelet, or moissanite stud earrings for a red carpet–ready look.
Elevate your diamond story: Shop All Lab Grown Diamond Necklaces. Elevate your jewelry game with the sharp elegance of 18 carats of lab-grown brilliance — cut to captivate.
Choose options







Shop the look
Style with
Frequently Asked Questions
A marquise diamond necklace features diamonds shaped like an elongated oval with pointed ends, known for their flattering, elongated appearance and regal flair.
Absolutely. Their elongated cut adds sophistication and visual length, making them ideal for necklaces that frame the collarbone or neckline.
Yes, this piece features lab grown diamonds — real diamonds identical to mined ones in every way but created in a controlled environment for ethical, sustainable sourcing.
Lab grown marquise diamonds offer the same brilliance and durability as mined diamonds at a better value — and without the environmental footprint.
Choose from 14kt Yellow Gold, White Gold, or Rose Gold to suit your personal style or existing jewelry collection.