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
The 18k Solid Gold 2.2ct Halo Lab-Grown Diamond Engagement Ring features a 2 ct round Super Cut diamond surrounded by 20 side diamonds (0.2 ct total, F color, VS2 clarity) in a stunning halo setting. Available in White, Rose, and Yellow Gold.
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
This 18k Gold Migraine Lab-Grown Diamond Ring features a 2ct F VS2 Super Cut round diamond, complemented by 0.2ct of side stones with vintage migraine detailing. Available in white, rose, and yellow gold, it is IGI & BIS hallmarked for authenticity.
18K Solid Gold 2.2ct Round Lab Grown Diamond Ring
This 18k gold lab-grown diamond ring features a 2 ct round center stone (F color, VS2 clarity, Super Cut) with 22 side diamonds (0.26 ctw) for added brilliance. Available in white, rose, or yellow gold.
18K Solid Gold 2.2ct Round Shape Lab Grown Diamond Engagement Ring
A 2.2ct lab-grown diamond engagement ring in 18k solid gold, featuring a 2ct round-cut diamond and 22 side stones (0.2ct total). Available in white, rose, and yellow gold. BIS & IGI Certified.
18K Solid Gold 2.2ct Round Shape Lab Grown Diamond Ring
A stunning 18k gold round lab-grown diamond ring, featuring a 2ct Super Cut center diamond (F color, VS2 clarity) with 10 side diamonds (0.18ct total). IGI & BIS Hallmarked, available in White, Rose, and Yellow Gold.
18K Solid Gold 2.2ct Round Shape Lab Grown Diamond Ring
A 2.2ct lab-grown diamond ring in 18k solid gold, featuring a 2ct round-cut center stone (F, VS2) & 16 side diamonds (0.22ct total). Available in white, rose, and yellow gold. BIS & IGI Certified.
18K Solid Gold 2.2ct Solitaire Lab Grown Diamond Engagement Ring
18K Solid Gold 2.2ct Solitaire Lab Grown Diamond Engagement Ring
Elegant 18k Solid Gold 2.2ct Solitaire Lab-Grown Diamond Engagement Ring, featuring a 2 ct F color, VS2 clarity super-cut diamond with 10 round lab-grown diamond accents. Available in white, rose, and yellow gold. IGI & BIS Hallmarked for authenticity.
18K Solid Gold 2.2ct Solitaire Lab Grown Diamond Engagement Ring
The 18k Solid Gold 2.2ct Solitaire Lab-Grown Diamond Engagement Ring features a 2 ct Super Cut round diamond with six sparkling side diamonds (0.14 ct total, F color, VS2 clarity) for added brilliance. Available in White, Rose, and Yellow Gold.
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
A stunning 2ct solitaire lab-grown diamond engagement ring in 18k solid gold, accented with 56 side diamonds (0.32ct) for a radiant and timeless appeal.
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
A sophisticated 2.5ct lab-grown diamond ring in 18k solid gold, featuring a 2ct round-cut center stone with 60 side stones (0.52ct total). Available in white, rose, and yellow gold. BIS & IGI Certified.
18K Solid Gold 2.5ct Solitaire Lab Diamond Engagement Ring
The 18k Solid Gold 2.5ct Solitaire Lab Diamond Ring features a 2ct Super Cut F color, VS2 clarity lab diamond with 0.42ct side diamonds, set in a micro-prong 18k gold band.
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
A 2 ct lab-grown diamond solitaire ring in 18k solid gold, featuring F color, VS2 clarity, and a classic comfort-fit band.
18K Solid Gold 2ct Solitaire Lab Grown Diamond Engagement Ring
Exquisite 18k Gold 2ct Solitaire Lab-Grown Diamond Engagement Ring, featuring an F color, VS2 clarity, super-cut round diamond with princess-cut lab-grown diamond accents. Available in white, rose, and yellow gold. IGI & BIS Hallmarked for authenticity.
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
A luxurious 3ct halo lab-grown diamond ring in 18k solid gold, featuring a 2ct round-cut diamond and 56 side stones (1.02ct total). Available in white, rose, and yellow gold. BIS & IGI Certified.
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
A 2-carat solitaire lab-grown diamond ring with 94 round diamonds (1.04ct) in solid 18k gold. BIS Hallmarked & IGI Certified for unmatched brilliance.
18k Solid Gold 4.5ctw Solitaires Lab Grown Diamond Engagement Ring
18K Solid Gold Baguette & Round Shape Lab Grown Diamond Engagement Ring
Elegant 18k Gold Baguette & Round Lab Grown Diamond Engagement Ring featuring a 2-carat center stone with baguette diamond accents. Available in white, rose, or yellow gold.
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
A 2-carat lab-grown diamond solitaire ring in 18k solid gold, featuring a bezel setting, comfort fit, and IGI & BIS Hallmarked certification.
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
A stunning 18k solid gold ring featuring a 2 ct round lab-grown diamond with 64 accent diamonds (0.74 ct total) for extra brilliance. IGI & BIS certified.
18K Solid Gold Channel Set Lab Grown Diamond Ring
A sophisticated 18k gold channel-set ring featuring a 2 ct round lab-grown diamond (F color, VS2 clarity, Super Cut) with 1.42 ctw side diamonds. IGI & BIS certified.
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
A 18k gold etched diamond ring featuring a 2ct super-cut lab-grown diamond, accented by 86 side diamonds (0.65ct total). Available in white, rose, and yellow gold.
18K Solid Gold Five Stone Emerald Shape Lab Grown Diamond Ring
A 18k solid gold five-stone ring featuring a 2ct round lab-grown diamond with four emerald-cut side stones (1ct total). Available in white, rose, and yellow gold.
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
A 2-carat solitaire lab-grown diamond ring with 42 dazzling side stones in a flower-inspired design. Crafted in 18k solid gold and BIS Hallmarked & IGI Certified.
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
A 18k gold halo claw ring featuring a 2ct super-cut round lab-grown diamond, encircled by 82 side diamonds (0.62ct total). Available in white, rose, and yellow gold.
18K Solid Gold Halo Lab Grown Diamond Engagement Ring
This 18k Gold Halo Lab-Grown Diamond Engagement Ring features a 2ct F VS2 Super Cut round diamond, surrounded by 0.37ct of luminous side stones. Available in white, rose, and yellow gold, it is IGI & BIS hallmarked for authenticity.
18K Solid Gold Halo Lab Grown Diamond Engagement Ring
18k Solid Gold Halo Lab Grown Diamond Engagement Ring
A 18k gold halo engagement ring featuring a 2 ct lab-grown round diamond (F color, VS2 clarity, Super Cut) with 0.33 ctw side diamonds. IGI & BIS certified.
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
Elegant 18k Gold Halo Lab Grown Diamond Engagement Ring with a 2-carat center stone and 64 round diamond accents. Available in white, rose, or yellow gold.
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
The 18k Solid Gold Halo Lab Grown Diamond Ring showcases a 2ct F color, VS2 clarity Super Cut diamond encircled by 1ct side diamonds on a 2mm solid gold band.
18k Solid Gold Halo Lab Grown Diamond Ring
18k Solid Gold Hand Crafted Engraved Lab Grown Diamond Engagement Ring
A handcrafted 18k gold engagement ring featuring a 2-carat lab-grown diamond (F-VS2, Super Cut) in a prong setting, with an elegantly engraved band.
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
Get this Product in 14K Gold
The 18k Solid Gold Lab-Grown Diamond Engagement Ring features a 2 ct Super Cut round diamond with 42 side stones (0.62 ct total) for added brilliance. Available in White, Rose, and Yellow Gold.
18K Solid Gold Lab Grown Diamond Engagement Ring
A 18k gold engagement ring featuring a 2ct super-cut round lab-grown diamond, accented by 18 side diamonds (0.26ct total). Available in white, rose, and yellow gold.
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
A 2 ct round lab-grown diamond engagement ring with a nature-inspired design, set in 18k solid gold for a timeless and organic aesthetic.
18k Solid Gold Nature Inspired Lab Grown Diamond Engagement Ring
A nature-inspired 18k solid gold engagement ring featuring a 2ct lab-grown diamond (F color, VS2 clarity) with superior brilliance. Available in white, rose, and yellow gold.
18K Solid Gold Nature Inspired Lab Grown Diamond Ring
Embrace nature’s elegance with the 18k Solid Gold Nature-Inspired Lab-Grown Diamond Ring featuring a stunning 2 ct round Super Cut diamond and 32 accent diamonds in a delicate, organic design. Available in White, Rose, and Yellow Gold.
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.