Buy Cushion Shape Lab Diamond Engagement Ring
Soft, romantic, and endlessly elegant—the cushion shape lab diamond engagement ring brings vintage charm into the modern era. With its rounded corners and pillow-like shape, the cushion cut offers a perfect balance between classic beauty and radiant sparkle.
At The Karat Store, we set each cushion-shaped diamond in solid 14K & 18K gold and guarantee quality through IGI certification. Whether you’re drawn to a solitaire, halo, or three-stone design, this collection offers handcrafted styles made for every love story. Enjoy free shipping across the USA, secure packaging, and full certification with every ring.
1ct Princess Cut Lab grown Diamond 14 K Solid Gold Engagement Ring
4 Prong Asscher Cut 4ct Lab Grown Diamond Engagement Ring
The 4 Prong  Asscher Cut 4ct Lab Grown Diamond Engagement Ring by The Karat Store combines timeless elegance with sustainable luxury. Available in 14K gold with options for rose, yellow, or white gold, and featuring VVS-VS clarity and E-F color diamonds, this ring is perfect for the eco-conscious couple.
Asscher Cut Lab Grown Diamond 3ct multi Diamond Engagement Ring
Princess Cut 14K Solid Gold Engagement Ring 4ct Lab Grown Dimond
Adorn yourself with The Karat Stores Princess Cut 14K Solid Gold Engagement Ring 4ct Lab Grown DimondCut 14K Solid Gold Engagement Ring 4ct Lab Grown Diamond. Featuring a stunning 4.00 ct Princess Cut 14K Solid Gold Engagement Ring 4ct Lab Grown Dimondcut lab grown diamond. Available in various gold colours.
Princess Cut 14K Solid Gold Engagement Ring Lab Grown Dimond
Princess Cut Halo Solitaire Ring 3 ct Lab Grown Diamond Engagement Ring
The Princess Cut Halo Solitaire Ring 3 ct Lab Grown Diamond Engagement Ring by The Karat Store offers timeless elegance and sustainability. Available in 14K gold with options for rose, yellow, or white gold, and featuring VVS-VS clarity and E-F colour diamonds, this ring is perfect for the eco-conscious couple.
History, Types, Cultural Significance Of Cushion Shape Lab Diamond Engagement Ring
The cushion cut diamond, also known as the pillow cut, has been a beloved choice for engagement rings for over a century. Its soft curves and deep facets give it a romantic, vintage-inspired feel while still delivering excellent brilliance. Today, it’s one of the most sought-after shapes among couples who want something timeless, yet unique.
Our collection of cushion shape lab diamond engagement ring combines tradition with modern craftsmanship and ethical sourcing. Each ring is crafted in 100% solid 14K & 18K gold—never plated—and available in your choice of white, yellow, or rose gold. Whether you prefer a sleek solitaire, an antique-style halo, or a bold three-stone setting, our designs are tailored to suit every personality and proposal.
We use lab-grown diamonds that are chemically and visually identical to mined diamonds, but sustainably created and conflict-free. These stones deliver the same fire and clarity, offering high-end sparkle at a more affordable and responsible price.
Cushion cut diamonds are especially known for their romantic charm and vintage look. Their slightly rounded shape softens any setting, making them flattering and wearable for everyday elegance. From classic to contemporary, every ring in this collection is handcrafted by skilled artisans and inspected for brilliance, balance, and strength.
When you choose a cushion cut lab diamond ring from The Karat Store, you’re choosing a piece that honors tradition while embracing the future.
Quality of Material Used
All our cushion cut engagement rings are made with 100% solid 14K & 18K gold, ensuring durability and lasting luster. You can choose from white, yellow, or rose gold finishes depending on your personal style.
The lab-grown diamonds we use are hand-selected for their shape, symmetry, and sparkle. Each stone is ethically created and set with care to bring out its natural brilliance. All rings are nickel-free and hypoallergenic, making them perfect for everyday wear—even for sensitive skin.
Certifications Provided
Every cushion cut lab diamond engagement ring from The Karat Store includes a certificate from IGI (International Gemological Institute), verifying the diamond’s 4Cs: cut, color, clarity, and carat weight.
Each piece is also BIS hallmarked, confirming its 14K & 18K gold purity. We provide a detailed invoice with your order, ensuring full transparency. Certified jewelry gives you confidence, protects your investment, and guarantees long-term value. When you shop with us, certification isn’t optional—it’s included.
Craftsmanship
Cushion cut diamonds require expert handling to ensure the stone’s unique curves and facets shine through. Our artisans handcraft each ring using precision tools and proven techniques to enhance sparkle and secure each stone firmly in place.
Whether it’s a solitaire or a more detailed design, your ring is polished, inspected, and refined through a multi-step process to ensure excellence. The result is a fine jewelry piece made to stand out and built to last—perfect for a proposal, an anniversary, or a lifelong promise.
Frequently Asked Questions
1. How long does shipping take to the USA?
Shipping takes 12 to 22 days to your doorstep in the USA.
2. Are your rings made from real gold?
Yes, we use solid 14K & 18K gold only—never plated or filled.
3. Do you accept returns?
Returns are accepted only for damaged or incorrect items.
4. Is shipping free in the USA?
Yes, we provide free insured shipping across the United States.
5. Will I receive tracking details?
Yes, you’ll get a tracking number once your order is shipped.
6. How can I reach customer support?
You can contact us at contact@thekaratstore.us with any queries.Â
7. Are your diamonds certified?
Yes. Every lab-grown diamond is IGI certified, and we include documentation.
8. Can I place a custom order?
Yes, we accept custom design requests for settings, diamond shapes, and metal types.
9. Is your jewelry safe for sensitive skin?
Absolutely. We use nickel-free, hypoallergenic 14K & 18K gold in every piece.
10. Is your packaging secure?
Yes. We use tamper-proof, protective packaging for safe delivery.