3 Carat Elongated Cushion Cut Lab Grown Diamond Engagement Ring in 14K Gold (E Color, VVS2, 3EX, IGI Certified)

Precision Product Specifications

The Aesthetic Triumph of the Elongated Cushion Silhouette
The elongated cushion cut is currently experiencing a massive global renaissance, celebrated by top designers and celebrities as the absolute pinnacle of bridal jewelry trends. Unlike traditional square cushion cuts, the elongated profile introduces a breathtaking "crushed ice" scintillation pattern that scatters light with mesmerizing complexity and fire. The rectangular dimensions create a highly graceful, slenderizing effect on the hand, offering a much larger visual footprint and premium scale than a round brilliant diamond of equivalent weight. This magnificent 3-carat centerpiece is precisely faceted to achieve an Excellent cut, polish, and symmetry (3EX) grading, ensuring that maximum light is captured and refracted back to the observer in a dazzling, edge-to-edge display of brilliance.

The Pinnacle of Purity: The "As-Grown" Technological Marvel
This specific diamond represents the zenith of modern gemological science. While the vast majority of lab-grown diamonds (often up to 90%) require secondary High Pressure High Temperature (HPHT) treatments to mask structural brown defects and alter their color, this spectacular stone is strictly classified as "As-Grown." Emerging from the highly controlled CVD reactor in a state of absolute perfection, it achieved its stunning E-color and VVS2 clarity entirely organically. This complete absence of post-growth color modification guarantees optimal crystal purity, ensuring there is no underlying milky haze, silvery tinge, or unnatural hue. It is a true marvel of technology, delivering the crisp, icy transparency expected from only the world's most elite and exclusive gemstones.

Exquisite 14K Gold Architecture and Minimalist Design
The monumental center stone is held securely in a premium setting forged from solid 14K gold, as showcased in our detailed gallery images. Chosen for its superior durability, resistance to tarnishing, and rich, enduring luster, 14K gold provides the perfect architectural foundation for a lifetime of daily wear. The design features a highly refined 1.6mm band width—a masterclass in minimalist jewelry engineering that ensures the 3-carat diamond commands absolute attention without being overshadowed by heavy metalwork. The center stone is elevated by four elegantly pointed claw prongs, which not only secure the diamond with maximum safety but also allow optimal light penetration through the pavilion, amplifying the stone's monumental proportions while maintaining a sleek, comfortable profile.

Mastery Forged Over 18 Years: Your Direct Source Manufacturer
When acquiring a piece of fine jewelry of this extraordinary magnitude, the provenance of the craftsmanship is paramount. We are not mere resellers; we are a primary source manufacturer with over 18 years of dedicated, hands-on experience in the luxury jewelry and diamond sector. By partnering directly with us, you completely bypass the convoluted supply chains, exorbitant wholesale markups, and intermediary retail brokers that inflate traditional boutique prices. Every ring is conceptualized, cast, meticulously set, and hand-polished by master artisans under a single, rigorously monitored roof. This deep vertical integration ensures strict quality control at every juncture—from the initial selection of the IGI-certified rough diamond to the final microscopic inspection of the claw prongs. This 18-year legacy guarantees not only factory-direct pricing but also unparalleled consistency, structural integrity, and dedicated post-purchase support.

Endless Possibilities: Bespoke Custom Jewelry Design
We understand that an engagement ring is the ultimate expression of your unique love story. Leveraging our comprehensive in-house manufacturing capabilities, we offer fully bespoke customization services. If you desire this spectacular 3-carat elongated cushion diamond set in a different configuration—perhaps incorporating a hidden halo, modifying the 1.6mm band to a thicker profile, switching from 14K Yellow Gold to Platinum, or adding side stones—our expert design team is ready to bring your exact vision to life. With laboratory-grown diamonds, customization options become truly endless and remarkably affordable. We work closely with you through 3D CAD rendering approvals to ensure your customized jewelry piece is an absolute masterpiece, tailored precisely to your specifications.

Understanding the Excellence of Lab-Grown Diamonds
A laboratory-grown diamond is a real, authentic diamond in every conceivable scientific and gemological metric. Forged through highly advanced technological processes that perfectly replicate the exact extreme thermal and pressurized conditions found deep within the Earth's mantle, these gems share the identical physical, chemical, and optical properties as their mined counterparts. They consist of the exact same crystallized carbon matrix, exhibiting the identical hardness (a perfect 10 on the Mohs scale), refractive index, and brilliant fire. Even the most highly trained gemologists utilizing standard jeweler's magnification cannot differentiate a high-quality lab-grown diamond from a naturally mined stone.

By selecting a lab-grown diamond, you are making a conscious, forward-thinking choice for ethical sustainability and environmental preservation. These diamonds are entirely conflict-free, requiring no destructive land excavation, massive water consumption, or ecological disruption. Furthermore, the immense efficiencies of laboratory synthesis allow these magnificent stones to be offered at unprecedented value—typically 40% to 50% less than equivalent mined diamonds. This profound cost advantage empowers you to dramatically upgrade your expectations, securing a breathtaking 3-carat, exceptionally clear, and colorless gemstone that would otherwise remain financially inaccessible in the traditional mined diamond market. You do not sacrifice quality; you simply choose a smarter, more sustainable origin.

Global Customer Testimonials

⭐⭐⭐⭐⭐ "A Masterpiece of Light and Elegance" — Sarah Jenkins | London, United Kingdom "I spent months researching lab-grown diamonds before deciding on this 3-carat elongated cushion cut. The moment I opened the beautiful presentation box, I was entirely speechless. The E color is incredibly crisp, and the stone throws fire in every type of lighting. Because it’s an 'as-grown' diamond, the clarity is breathtaking—there is absolutely no haze whatsoever. The 1.6mm 14K gold band feels substantial and secure, yet delicate enough to let the diamond take center stage. Knowing I purchased directly from an 18-year manufacturer gave me immense peace of mind. A flawless experience from start to finish."

⭐⭐⭐⭐⭐ "The Perfect Silhouette for My Hand" — Emily Chen | Toronto, Canada "I always knew I wanted something different than the standard round diamond. The elongated cushion shape of this ring is beyond flattering; it makes my fingers look so long and elegant. At 3 carats, it has a massive presence, but the soft, rounded corners keep it looking incredibly romantic. The fact that it came with an official IGI certificate verifying the VVS2 clarity and lack of color modification proved that the quality is exactly as advertised. The claw prongs are perfectly executed. I receive compliments daily!"

⭐⭐⭐⭐⭐ "Unbeatable Value and Factory-Direct Trust" — Jessica Miller | Melbourne, Australia "Buying international fine jewelry online can be daunting, but the transparent communication and the 18 years of manufacturing expertise completely won me over. I actually requested a slight customization to the band profile, and their bespoke design team handled it flawlessly. I took the ring to an independent local jeweler in Melbourne for an appraisal, and he was astounded by the 3EX cut quality and the absolute perfection of the lab-grown stone. Achieving a 3-carat, colorless diamond of this caliber at this price point is simply impossible at standard retail boutiques. It is the ring of my dreams."

Frequently Asked Questions

1. Are lab-grown diamonds considered real diamonds, and will they pass a diamond tester?
Yes, absolutely. Laboratory-grown diamonds are 100% real diamonds. They are structurally, chemically, and optically identical to natural diamonds extracted from the earth. Because they are made of pure crystallized carbon, they possess the exact same thermal conductivity as mined diamonds, meaning they will absolutely test positive on standard diamond testers used by jewelers. The only difference is their origin—grown in a highly controlled lab rather than mined from the earth.

2. Why is the elongated cushion cut currently so highly recommended for engagement rings?
The elongated cushion cut beautifully harmonizes the romantic, vintage appeal of softly rounded corners with a sleek, contemporary linear profile. This brilliant geometry creates a larger surface area than a standard round diamond of the same carat weight, meaning a 3-carat elongated cushion yields a significantly more massive visual impact. Furthermore, the elongated shape provides a highly flattering, slenderizing effect on the wearer's finger, making it a premier choice for those seeking both timeless elegance and a substantial, statement-making presence.

3. Can I customize this ring, such as changing the 1.6mm band width or the metal type? Yes, customization is our specialty. As an 18-year source manufacturer with complete in-house production capabilities, we offer extensive bespoke jewelry services. While the 1.6mm band perfectly complements the 3-carat stone for a minimalist look, we can easily customize the band width to be thicker for added durability. We can also craft the setting in 14K White Gold, 14K Rose Gold, 18K Gold, or Platinum. Simply contact our design team, and we will work with you to create your perfectly tailored, custom jewelry piece.

4. Does this engagement ring include independent gemological certification?
Yes, transparency and verified quality are foundational to our manufacturing ethos. This 3-carat lab-grown diamond is independently assessed and fully certified by the International Gemological Institute (IGI), one of the world's most prestigious and universally recognized gem grading laboratories. The accompanying physical and digital IGI certificate provides a definitive, unbiased verification of the diamond's vital statistics, officially confirming its E color grade, VVS2 clarity, Excellent (3EX) cut proportions, and its authentic, As-Grown origin.