
Buy Round Brilliant Cut Lab Diamond Engagement Ring
Timeless. Radiant. Unmistakably classic. Our round brilliant cut lab diamond engagement ring are crafted to capture hearts and light in equal measure. As the most popular diamond shape worldwide, the round cut is loved for its unmatched brilliance and perfect symmetry—making it the ultimate choice for those who appreciate refined elegance.
Each ring is handcrafted in solid 14K & 18K gold and set with an IGI-certified lab-grown diamond, offering the same sparkle and structure as mined diamonds—without the ethical compromise. Whether you choose a solitaire, halo, or pavé band design, you’ll find handcrafted pieces that symbolize forever. Enjoy free insured shipping across the USA, tamper-proof packaging, and full certification with every order.
18K Solid Gold 2.1ct Rustic Design Lab Grown Diamond Ring
18K Solid Gold 2.2ct Halo Lab Grown Diamond Engagement Ring
18K Solid Gold 2.2ct Halo Lab Grown Diamond Ring
18K Solid Gold 2.2ct Lab Grown Diamond Ring
18K Solid Gold 2.2ct Migraine Lab Grown Diamond Ring
18K Solid Gold 2.2ct Round Lab Grown Diamond Ring
18K Solid Gold 2.2ct Round Shape Lab Grown Diamond Engagement Ring
18K Solid Gold 2.2ct Round Shape Lab Grown Diamond Ring
18K Solid Gold 2.2ct Round Shape Lab Grown Diamond Ring
18K Solid Gold 2.2ct Solitaire Lab Grown Diamond Engagement Ring
18K Solid Gold 2.2ct Solitaire Lab Grown Diamond Engagement Ring
18K Solid Gold 2.2ct Solitaire Lab Grown Diamond Engagement Ring
18K Solid Gold 2.3ct Halo Lab Grown Diamond Engagement Ring
18K Solid Gold 2.3ct Halo Lab Grown Diamond Ring
18K Solid Gold 2.3ct Halo Lab Grown Diamond Ring
18K Solid Gold 2.3ct Oval Shape Lab Grown Diamond Enagagement Ring
18K Solid Gold 2.3ct Round Shape Lab Grown Diamond Engagement Ring
18K Solid Gold 2.3ct Solitaire Lab Grown Diamond Engagement Ring
18K Solid Gold 2.3ct Solitaire Lab Grown Diamond Ring
18K Solid Gold 2.3ctSolitaire Lab Grown Diamond Engagement Ring
18K Solid Gold 2.5ct Lab Grown Diamond Ring
18K Solid Gold 2.5CT Round Shape Lab Grown Diamond Engagement Ring
18K Solid Gold 2.5ct Round Shape Lab Grown Diamond Ring
18K Solid Gold 2.5ct Solitaire Lab Diamond Engagement Ring
18k Solid Gold 2.5ct Three Stone Lab Grown Diamond Ring
18K Solid Gold 2.6ct Lab Grown Diamond Engagement Ring
18K Solid Gold 2.8ct Lab Grown Diamond Engagement Ring
18K Solid Gold 2Ct Solitaire Engagement Ring
18K Solid Gold 2ct Solitaire Lab Grown Diamond Engagement Ring
18K Solid Gold 2ct Solitaire Lab Grown Diamond Engagement Ring
18K Solid Gold 3.9ct Lab Grown Diamond Engagement Ring
18K Solid Gold 3ct Halo Lab Grown Diamond Ring
18K Solid Gold 3ct Round Lab Grown Diamond Ring
18k Solid Gold 3ct Solitaire Lab Grown Diamond Ring
18K Solid Gold 3ct Solitaire Lab Grown Diamond Ring
18k Solid Gold 4.5ctw Solitaires Lab Grown Diamond Engagement Ring
18K Solid Gold Baguette & Round Shape Lab Grown Diamond Engagement Ring
18K Solid Gold Baguette & Round Shape Lab Grown Diamond Engagement Ring
18K Solid Gold Bazel Set Lab Grown Diamond Engagement Ring
18K Solid Gold Bezel Lab Grown Diamond Engagement Ring
18K Solid Gold Bezel Lab Grown Diamond Engagement Ring
18k Solid Gold Bezel Solitaire Engagement Lab Grown Diamond Engagement Ring
18k Solid Gold Bezel Solitaire Lab Grown Diamond Engagement Ring
18k Solid Gold Bezel Solitaire Lab Grown Diamond Ring
18K Solid Gold Bold Lab Grown Diamond Engagement Ring
18K Solid Gold Center Round Shape Lab Grown Diamond Engagement Ring
18K Solid Gold Channel Set Lab Grown Diamond Ring
18K Solid Gold Claw Prong Lab Grown Diamond Ring
18K Solid Gold Diamond Distance Ring, Round Cut Lab-Grown Diamond Ring
18K Solid Gold Double Shank Lab Grown Diamond Ring
18K Solid Gold Etched Lab Grown Diamond Engagement Ring
18K Solid Gold Five Stone Emerald Shape Lab Grown Diamond Ring
18K Solid Gold Five Stone Lab Grown Diamond Engagement Ring
18K Solid Gold Five Stone Lab Grown Diamond Ring
18K Solid Gold Floral Inspired Lab Grown Diamond Engagement Ring
18K Solid Gold Floral Lab Grown Diamond Engagement Ring
18K Solid Gold Flower Solitaire Lab Grown Diamond Engagement Ring
18K Solid Gold Halo Baguette Lab Grown Diamond Ring
18K Solid Gold Halo Baguette Lab Grown Diamond Ring
18K Solid Gold Halo Claw Lab Grown Diamond Ring
18K Solid Gold Halo Lab Grown Diamond Engagement Ring
18K Solid Gold Halo Lab Grown Diamond Engagement Ring
18k Solid Gold Halo Lab Grown Diamond Engagement Ring
18K Solid Gold Halo Lab Grown Diamond Engagement Ring
18K Solid Gold Halo Lab Grown Diamond Engagement Ring
18K Solid Gold Halo Lab Grown Diamond Engagement Ring
18K Solid Gold Halo Lab Grown Diamond Engagement Ring
18K Solid Gold Halo Lab Grown Diamond Engagement Ring
18K Solid Gold Halo Lab Grown Diamond Engagement Ring
18k Solid Gold Halo Lab Grown Diamond Engagement Ring
18K Solid Gold Halo Lab Grown Diamond Ring
18k Solid Gold Halo Lab Grown Diamond Ring
18k Solid Gold Halo Lab Grown Diamond Ring
18k Solid Gold Hand Crafted Engraved Lab Grown Diamond Engagement Ring
18K Solid Gold Infinity Lab Grown Diamond Engagement Ring
18K Solid Gold Lab Grown Diamond Engagement Ring
18K Solid Gold Lab Grown Diamond Engagement Ring
18K Solid Gold Lab Grown Diamond Engagement Ring
18K Solid Gold Lab Grown Diamond Engagement Ring
18K Solid Gold Lab Grown Diamond Ring
18K Solid Gold Lab Grown Diamond Ring
18K Solid Gold Lab-Grown Diamond 6-Prong Solitaire Ring
18K Solid Gold Lab-Grown Diamond Oval Meridian Solitaire Engagement Ring
18K Solid Gold Lab-Grown Diamond Ring
18K Solid Gold Lab-Grown Diamond Ring with Closed Setting, 1ct. Round Cut Diamond Ring
18K Solid Gold Lab-Grown Diamond Ring, 0.7ct. Round Cut Diamond Ring
18K Solid Gold Lab-Grown Diamond Ring, Round Cut Diamond Ring
18K Solid Gold Lab-Grown Diamond Ring, Round Cut Diamond Ring
18K Solid Gold Lab-Grown Diamond Ring, White Gold Closed Basket Ring
18K Solid Gold Lab-Grown Diamond Round Beaded Head Solitaire Ring
18K Solid Gold Lab-Grown Diamond Round Brilliant Ring
18K Solid Gold Lab-Grown Diamond Round Ring
18K Solid Gold Lab-Grown Diamond Round Ring
18K Solid Gold Lab-Grown Round Diamond Engagement Ring
18K Solid Gold Marquise & Round Lab Grown Diamond Ring
18K Solid Gold Marquise & Round Shape Lab Grown Diamond Engagement Ring
18K Solid Gold Marquise Round Shape Lab Grown Diamond Engagement Ring
18K Solid Gold Nature Inspired Engagement Ring
18k Solid Gold Nature Inspired Lab Grown Diamond Engagement Ring
18K Solid Gold Nature Inspired Lab Grown Diamond Ring
History, Types, Cultural Significance Of Round Brilliant Cut Lab Diamond Engagement Ring
The round brilliant cut has remained the gold standard in diamond shapes for over a century. With 58 precision-cut facets, it is designed to reflect the maximum amount of light—resulting in exceptional fire and sparkle. Its balanced symmetry and timeless appeal make it a favorite for proposals, anniversaries, and milestone celebrations.
Our collection of round brilliant cut lab diamond engagement ring offers a modern take on this classic style. Each ring is crafted in 100% solid 14K & 18K gold, available in white, yellow, or rose tones, and features a dazzling center diamond that meets the highest standards of brilliance and quality.
These are lab-grown diamonds, created in controlled environments to mirror the exact optical and physical properties of natural diamonds—but without the ethical or environmental costs of traditional mining. Each stone is IGI certified, giving you full assurance of its cut, color, clarity, and carat.
Whether you're drawn to a timeless solitaire, a sparkling halo, or a sleek pavé band, you’ll find a ring that speaks to your style and story. Round brilliant diamonds complement every hand shape and setting style, making them incredibly versatile and flattering.
At The Karat Store, every ring is handcrafted by skilled artisans, undergoes a thorough quality inspection, and is securely delivered with love and care. This is more than just a ring—it’s a symbol of your future, made to shine for a lifetime.
Quality of Material Used
All our round brilliant rings are made with 100% solid 14K & 18K gold, ensuring long-term strength, shine, and heirloom value. We never use plated or filled metals—only authentic, high-quality gold in your choice of white, yellow, or rose.
Each lab-grown round diamond is hand-selected for brilliance, symmetry, and fire. The rings are also nickel-free and hypoallergenic, making them perfect for sensitive skin and daily wear. From the center stone to the setting, every element is built to last and shine.
Certifications Provided
Every round brilliant cut lab diamond engagement ring comes with an IGI certificate verifying its cut, color, clarity, and carat. This certificate assures you that your diamond meets globally recognized grading standards.
Your ring also includes a BIS hallmark to confirm its 14K & 18K gold purity, and a detailed invoice listing all specifications. These documents are not only important for authenticity and resale but also add confidence to your purchase. At The Karat Store, certification is never an add-on—it’s a promise.
Craftsmanship
Round brilliant diamonds require perfect symmetry and expert setting. Our skilled artisans handcraft each ring, placing the stone with precision and polishing the band to a flawless finish. Whether you choose a prong, bezel, or halo setting, every detail is carefully completed by hand.
Before shipping, each ring undergoes a multi-point inspection to ensure it meets our highest quality standards. From sparkle to structure, we guarantee your piece is ready for a lifetime of wear.
Frequently Asked Questions
1. How long does USA delivery take?
Shipping takes 12 to 22 days to your doorstep in the USA.
2. Is the gold real?
Yes, we use 100% solid 14K & 18K gold, never plated or filled.
3. Can I return my ring?
Returns are accepted only for damaged or incorrect items.
4. Is shipping free across the USA?
Yes, we offer free insured shipping nationwide.
5. Will I get tracking information?
Yes, a tracking number is provided once your order ships.
6. How can I contact customer support?
Email us at contact@thekaratstore.us for assistance or questions.
7. Are the diamonds certified?
Yes. All lab-grown diamonds come with IGI certification.
8. Can I request a custom ring?
Yes. We accept custom design requests for cuts, settings, and band styles.
9. Is your jewelry hypoallergenic?
Yes. Our nickel-free 14K & 18K gold is safe for sensitive skin.
10. Is the packaging secure?
Absolutely. We ship each ring in tamper-proof, secure packaging.






































































































