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 Three Stone Trillion Lab Grown Diamond Ring
$1,750.00
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A striking 2ct round lab-grown diamond center stone with two trillion lab-grown diamonds in 18k solid gold, available in White, Rose, or Yellow Gold.
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18K Solid Gold Trapezoid Round Shape Lab Grown Diamond Engagement Ring
$1,850.00
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A striking 18k gold ring featuring a 2 ct round lab-grown diamond accented by trapezoid-shaped diamonds (1.48 ct total). IGI & BIS certified.
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18K Solid Gold Twisted Lab Grown Diamond Engagement Ring
$1,899.00
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A 2ct round lab-grown diamond engagement ring with a twisted band design, featuring 86 sparkling side diamonds in 18k solid gold.
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18K Solid Gold Twisted Vines Three Stone Round Lab Grown Diamond Ring
$1,800.00
Get this Product in 14K Gold
A twisted vine-style three-stone engagement ring in 18k solid gold, featuring a 2 ct round lab-grown diamond with accent stones. IGI & BIS certified.
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18k Solid Gold Two Bands Lab Grown Diamond Engagement Ring
$1,880.00
Get this Product in 14K Gold
A modern 2ct lab-grown diamond engagement ring with a bold two-band design in 18k solid gold, enhanced with rhodium plating for a radiant finish. IGI & BIS Certified.
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18k Solid Gold U Shape Lab Grown Diamond Engagement Ring
$2,899.00
A 2-carat lab-grown diamond engagement ring in 18k gold, featuring a U-shape prong setting with 12 accent diamonds (3ct total) for extra brilliance.
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18K Solid Gold Victorian Halo Lab Grown Diamond Engagement Ring
$2,299.00
Get this Product in 14K Gold
Victorian-inspired 18k gold halo engagement ring with a 2ct lab-grown diamond, F color, VS2 clarity, and halo of 50 diamonds. IGI & BIS Hallmarked.
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18K Solid Gold Wide Shank Lab Grown Diamond Engagement Ring
$2,400.00
Get this Product in 14K Gold
A wide shank 18k solid gold ring featuring a 2ct round lab-grown diamond with 0.24ct side diamonds, offering brilliance and bold elegance.
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3 CT Round Cut 14k Gold Lab-diamond Snowdrift Ring Engagement Ring
$1,650.00
Get this Product in 18K Gold
A 3 CT round-cut lab-grown diamond engagement ring with subtle side stones in a handcrafted 14K gold setting. IGI & BIS certified for premium quality.
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3 CT Round Cut 18k Gold Lab-diamond Snowdrift Ring Engagement Ring
$1,900.00
Get this Product in 14K Gold
A 3 CT round-cut lab-grown diamond engagement ring with subtle side stones in a handcrafted 18k gold setting. IGI & BIS certified for premium quality.
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4 Prong Round Cut 2 ct Lab Grown Diamond Engagement Ring
$1,439.00
Rated 4.50 out of 5
(18)
Get this Product in 18K Gold
The 4 Prong Round Cut 2 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, featuring VVS-VS clarity and E-F color diamonds. Perfect for the eco-conscious couple.
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4 Prong Round Cut 2 ct Lab Grown Diamond Engagement Ring
$1,689.00
Get this Product in 14K Gold
The 4 Prong Round Cut 2 ct Lab Grown Diamond Engagement Ring by The Karat Store offers timeless elegance and sustainability. Available in 18k gold with options for rose, yellow, or white gold, featuring VVS-VS clarity and E-F colour diamonds. Perfect for the eco-conscious couple.
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4 Prong Setting Round Cut 2 ct Lab Grown Diamond Engagement Ring
$1,390.00
Rated 4.45 out of 5
(20)
Get this Product in 18K Gold
The 4 Prong Setting Round Cut 2 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 color diamonds, this ring is perfect for the eco-conscious couple.
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4 Prong Setting Round Cut 2 ct Lab Grown Diamond Engagement Ring
$1,640.00
Get this Product in 14K Gold
The 4 Prong Setting Round Cut 2 ct Lab Grown Diamond Engagement Ring by The Karat Store offers timeless elegance and sustainability. Available in 18k 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.
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Cushion Cut 2 ct Lab Grown Diamond Prong Setting Engagement Ring
$1,600.00
Rated 4.63 out of 5
(86)
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Elegant 14K gold engagement ring with a stunning 2 ct cushion cut lab-grown diamond in a classic prong setting. IGI & BIS certified, ethical and timeless.
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Cushion Cut 2 ct Lab Grown Diamond Prong Setting Engagement Ring
$1,850.00
Get this Product in 14KÂ Gold
Elegant 18k gold engagement ring with a stunning 2 ct cushion cut lab-grown diamond in a classic prong setting. IGI & BIS certified, ethical and timeless.
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Round Cut 1 ct Lab Grown Diamond Engagement Ring
$962.00
Get this Product in 18K Gold
Round Cut 1 ct Lab Grown Diamond Engagement Ring from The Karat Store. Crafted in 14K solid gold with options in rose, yellow, or white gold. Features a stunning 1.00 ct lab-grown diamond with VVS-VS clarity and E-F color, symbolizing eternal love and beauty.
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Round Cut 1 ct Lab Grown Diamond Engagement Ring
$1,037.00
Rated 4.75 out of 5
(4)
Get this Product in 18K Gold
The Round Cut 1 ct Lab Grown Diamond Engagement Ring by The Karat Store combines timeless elegance and sustainability. Available in 14K gold with options for rose, yellow, or white gold, featuring VVS-VS clarity and E-F color diamonds.
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Round Cut 1 ct Lab Grown Diamond Engagement Ring
$999.00
Rated 4.45 out of 5
(38)
Get this Product in 18K Gold
The Round Cut 1 ct Lab Grown Diamond Engagement Ring by The Karat Store combines timeless elegance and sustainability. Available in 14K gold with options for rose, yellow, or white gold, featuring VVS-VS clarity and E-F color diamonds. Perfect for the eco-conscious couple.
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Round Cut 1 ct Lab Grown Diamond Engagement Ring
$1,049.00
Get this Product in 18K Gold
The Round Cut 1 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 color diamonds, this ring is perfect for the eco-conscious couple.
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Round Cut 1 ct Lab Grown Diamond Engagement Ring
$979.00
Rated 4.26 out of 5
(34)
Get this Product in 18K Gold
The Round Cut 1 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, featuring VVS-VS clarity and E-F color diamonds.
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Round Cut 1 ct Lab Grown Diamond Engagement Ring
$1,212.00
Get this Product in 14K Gold
Round Cut 1 ct Lab Grown Diamond Engagement Ring from The Karat Store. Crafted in 18k solid gold with options in rose, yellow, or white gold. Features a stunning 1.00 ct lab-grown diamond with VVS-VS clarity and E-F colour, symbolizing eternal love and beauty.
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Round Cut 1 ct Lab Grown Diamond Engagement Ring
$1,287.00
Get this Product in 14K Gold
The Round Cut 1 ct Lab Grown Diamond Engagement Ring by The Karat Store combines timeless elegance and sustainability. Available in 18k gold with options for rose, yellow, or white gold, featuring VVS-VS clarity and E-F colour diamonds.
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Round Cut 1 ct Lab Grown Diamond Engagement Ring
$1,249.00
Get this Product in 14K Gold
The Round Cut 1 ct Lab Grown Diamond Engagement Ring by The Karat Store combines timeless elegance and sustainability. Available in 18k gold with options for rose, yellow, or white gold, featuring VVS-VS clarity and E-F colour diamonds. Perfect for the eco-conscious couple.
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Round Cut 1 ct Lab Grown Diamond Engagement Ring
$1,299.00
Get this Product in 14K Gold
The Round Cut 1 ct Lab Grown Diamond Engagement Ring by The Karat Store offers timeless elegance and sustainability. Available in 18k 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.
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Round Cut 1 ct Lab Grown Diamond Engagement Ring
$1,229.00
Get this Product in 14K Gold
The Round Cut 1 ct Lab Grown Diamond Engagement Ring by The Karat Store offers timeless elegance and sustainability. Available in 18k gold with options for rose, yellow, or white gold, featuring VVS-VS clarity and E-F colour diamonds.
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Round Cut 1 ct Lab Grown Diamond Pave Setting Engagement Ring
$940.00
Rated 4.33 out of 5
(30)
Get this Product in 18K Gold
The Round Cut 1 ct Lab Grown Diamond Pave Setting Engagement Ring by The Karat Store features a stunning 1.00 ct lab-grown diamond with VVS-VS clarity and E-F color. Crafted in 14K gold with options in rose, yellow, or white gold. Perfect for those seeking timeless elegance and ethical sourcing.
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Round Cut 1 ct Lab Grown Diamond Pave Setting Engagement Ring
$949.00
Rated 3.75 out of 5
(4)
Get this Product in 18K Gold
The Round Cut 1 ct Lab Grown Diamond Pave Setting Engagement Ring by The Karat Store combines timeless elegance and sustainability. Available in 14K gold with options for rose, yellow, or white gold, featuring a 1.00 ct lab-grown diamond with VVS-VS clarity and E-F color. Perfect for the eco-conscious couple.
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Round Cut 1 ct Lab Grown Diamond Pave Setting Engagement Ring
$1,190.00
Get this Product in 14KÂ Gold
The Round Cut 1 ct Lab Grown Diamond Pave Setting Engagement Ring by The Karat Store features a stunning 1.00 ct lab-grown diamond with VVS-VS clarity and E-F color. Crafted in 18k gold with options in rose, yellow, or white gold. Perfect for those seeking timeless elegance and ethical sourcing.
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Round Cut 1 ct Lab Grown Diamond Pave Setting Engagement Ring
$1,199.00
Get this Product in 14K Gold
The Round Cut 1 ct Lab Grown Diamond Pave Setting Engagement Ring by The Karat Store combines timeless elegance and sustainability. Available in 18k gold with options for rose, yellow, or white gold, featuring a 1.00 ct lab-grown diamond with VVS-VS clarity and E-F colour. Perfect for the eco-conscious couple.
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Round Cut 1 ct Lab Grown Diamond Prong Setting Engagement Ring
$969.00
Rated 4.10 out of 5
(10)
Get this Product in 18K Gold
The Round Cut 1 ct Lab Grown Diamond Prong Setting Engagement Ring by The Karat Store offers timeless elegance and sustainability. Available in 14K gold with options for rose, yellow, or white gold, featuring a 1.00 ct lab-grown diamond with VVS-VS clarity and E-F color. Perfect for the eco-conscious couple.
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Round Cut 1 ct Lab Grown Diamond Prong Setting Engagement Ring
$1,219.00
Get this Product in 14K Gold
The Round Cut 1 ct Lab Grown Diamond Prong Setting Engagement Ring by The Karat Store offers timeless elegance and sustainability. Available in 18k gold with options for rose, yellow, or white gold, featuring a 1.00 ct lab-grown diamond with VVS-VS clarity and E-F colour. Perfect for the eco-conscious couple.
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Round Cut 2 ct Lab Grown Diamond Engagement Ring
$1,437.00
Rated 4.50 out of 5
(14)
Get this Product in 18K Gold
The Round Cut 2 ct Lab Grown Diamond Engagement Ring by The Karat Store combines timeless elegance and sustainability. Available in 14K gold with options for rose, yellow, or white gold, featuring a 2.00 ct diamond with VVS-VS clarity and E-F color. Perfect for the eco-conscious couple.
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Round Cut 2 ct Lab Grown Diamond Engagement Ring
$1,687.00
Get this Product in 14K Gold
The Round Cut 2 ct Lab Grown Diamond Engagement Ring by The Karat Store combines timeless elegance and sustainability. Available in 18k gold with options for rose, yellow, or white gold, featuring a 2.00 ct diamond with VVS-VS clarity and E-F colour. Perfect for the eco-conscious couple.
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Round Cut 3 ct Lab Grown Diamond Engagement Ring
$1,148.00
Rated 4.41 out of 5
(17)
Get this Product in 18K Gold
The Round Cut 3 ct Lab Grown Diamond Engagement Ring by The Karat Store offers unparalleled elegance and sustainability. Available in 14K gold with options for rose, yellow, or white gold, featuring VVS-VS clarity and E-F color diamonds. Perfect for the eco-conscious couple.
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Round Cut 3 ct Lab Grown Diamond Engagement Ring
$1,398.00
Get this Product in 14K Gold
The Round Cut 3 ct Lab Grown Diamond Engagement Ring by The Karat Store offers unparalleled elegance and sustainability. Available in 18k gold with options for rose, yellow, or white gold, featuring VVS-VS clarity and E-F colour diamonds. Perfect for the eco-conscious couple.
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Round Cut 3 ct Lab Grown Diamond Prong Setting Engagement Ring
$1,949.00
Rated 4.20 out of 5
(5)
Get this Product in 18K Gold
The Round Cut 3 ct Lab Grown Diamond Prong Setting Engagement Ring by The Karat Store offers classic elegance and sustainability. 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.
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Round Cut 3 ct Lab Grown Diamond Prong Setting Engagement Ring
$2,199.00
Get this Product in 14K Gold
The Round Cut 3 ct Lab Grown Diamond Prong Setting Engagement Ring by The Karat Store offers classic elegance and sustainability. Available in 18k 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.
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Round Cut Halo Solitaire Ring 2 ct Lab Grown Diamond Engagement Ring
$1,405.00
Get this Product in 18K Gold
Make a statement of timeless elegance and sophistication with The Karat Store's Round Cut Halo Solitaire Ring 2 ct Lab Grown Diamond Engagement Ring. A breathtaking symbol of everlasting love and commitment.
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Round Cut Halo Solitaire Ring 2 ct Lab Grown Diamond Engagement Ring
$1,389.00
Rated 4.40 out of 5
(25)
Get this Product in 18K Gold
The Karat Store's Round Cut Halo Solitaire Ring features a 2 ct lab-grown diamond, available in 14K rose, yellow, or white gold. Ethical elegance with VVS-VS clarity and E-F color.
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Round Cut Halo Solitaire Ring 2 ct Lab Grown Diamond Engagement Ring
$1,655.00
Get this Product in 14KÂ Gold
Make a statement of timeless elegance and sophistication with The Karat Store's Round Cut Halo Solitaire Ring 2 ct Lab Grown Diamond Engagement Ring. A breathtaking symbol of everlasting love and commitment.
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Round Cut Halo Solitaire Ring 2 ct Lab Grown Diamond Engagement Ring
$1,639.00
Get this Product in 14KÂ Gold
The Karat Store's Round Cut Halo Solitaire Ring features a 2 ct lab-grown diamond, available in 18k rose, yellow, or white gold. Ethical elegance with VVS-VS clarity and E-F colour.
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Round Cut Lab Grown Diamond 1ct. Engagement Ring in 14K Solid Gold
$983.00
Rated 3.77 out of 5
(35)
Get this Product in 18K Gold
Step into a world where timeless beauty meets ethical innovation with The Karat Store's Round Cut Lab Grown Diamond 1ct. Engagement Ring in 14K Solid Gold.
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Round Cut Lab Grown Diamond 1ct. Engagement Ring in 18K Solid Gold
$1,233.00
Get this Product in 14K Gold
Step into a world where timeless beauty meets ethical innovation with The Karat Store's Round Cut Lab Grown Diamond 1ct. Engagement Ring in 18k Solid Gold.
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Twisted Band 3ct Lab Grown Round Brilliant Diamond Engagement Halo Ring
$1,909.00
Rated 4.50 out of 5
(2)
Get this Product in 18K Gold
Make a statement with The Karat Stores Twisted Band 3ct Lab Grown Round Brilliant Diamond Engagement Halo Ring. Featuring a stunning 3.00 ct round brilliant lab grown diamond. Available in various gold colors.
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Twisted Band 3ct Lab Grown Round Brilliant Diamond Engagement Halo Ring
$2,159.00
Get this Product in 14K Gold
Make a statement with The Karat Store?s Twisted Band 3ct Lab Grown Round Brilliant Diamond Engagement Halo Ring. Featuring a stunning 3.00 ct round brilliant lab grown diamond. Available in various gold colours.
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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.