Elegant 14K gold cluster solitaire diamond ring, 0.55 ctw GH color, VS-SI clarity, excellent cut. Slim design, perfect for engagement. BIS & GIA Certified.
Buy Round Brilliant Cut Natural Diamond Engagement Rings
Timeless sparkle. Perfect brilliance. Our round brilliant cut natural diamond engagement rings are crafted in 100% solid 14K & 18 K gold and set with stunning GIA-certified natural diamonds. Known as the most iconic and beloved diamond cut, the round brilliant delivers maximum fire, brilliance, and romance, making it the ultimate choice for your forever moment.
Each ring is hypoallergenic, ethically crafted, and shipped securely across the UK with full certification. Celebrate your love story with a true classic that shines brighter with every chapter.
0.30ctw Natural Diamond Cluster Engagement Ring: 14k Minimalist Solid Gold Promise Ring
Minimalist 0.30ctw natural diamond cluster engagement ring in 14k solid gold. Customizable in white, rose, or yellow gold. BIS Hallmarked & GIA certified.
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0.30ctw Natural Diamond Cluster Engagement Ring: 18k Minimalist Solid Gold Promise Ring
Minimalist 0.30ctw natural diamond cluster engagement ring in 18k solid gold. Customizable in white, rose, or yellow gold. BIS Hallmarked & GIA certified.
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0.35ct Accented Bezel Solitaire Ring | Unique Halo Wedding Ring in 14k Solid Gold
14K Solid Gold 0.35ct bezel-set solitaire ring with halo of accent natural diamonds. Unique wedding ring. BIS Hallmarked.
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0.35ct Accented Bezel Solitaire Ring | Unique Halo Wedding Ring in 18K Solid Gold
18k Solid Gold 0.35ct bezel-set solitaire ring with halo of accent natural diamonds. Unique wedding ring. BIS Hallmarked.
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0.55ctw 14k Gold Cluster Solitaire Natural Diamond Engagement Ring
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0.55ctw 18k Gold Cluster Solitaire Natural Diamond Engagement Ring
Elegant 18k gold cluster solitaire diamond ring, 0.55 ctw GH color, VS-SI clarity, excellent cut. Slim design, perfect for engagement. BIS & GIA Certified.
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14K Gold 1.00 Carat Natural Diamond Engagement Ring
Elegant 14K gold engagement ring with 1.00 ctw natural diamonds, including fancy cuts. GH COLOR, VS-SI Clarity. BIS & GIA Certified.
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14K Solid Gold 0.74 Carat Natural Diamond Solitaire Ring
Elegant 14K gold solitaire ring with 0.74 ct natural diamond. GIA certified. GH color, VS-SI clarity. Perfect for engagement or gifts.
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14K Solid Gold 3 Natural Diamond Engagement Ring
Three-stone engagement ring with 0.36 Ct natural diamonds in 14K solid gold. Available in yellow, white, or rose gold. GIA & BIS certified.
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14K Solid Gold Hidden Halo Engagement Ring 1CT Round Cut Natural Diamond Ring
1CT round-cut natural diamond engagement ring with a hidden halo in 14K solid gold. GH color, VS-SI clarity. GIA & BIS certified.
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14K Solid Gold Natural Blue Diamond Bezel Ring
Modern 14K Gold Bezel Ring with 0.12 ctw enhanced natural blue diamond. Available in white, rose, and yellow gold. BIS & GIA certified.
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14k Solid Gold Round Cut Diamond Ring
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14K Solid Gold Round Diamond Engagement Ring with Pave Set Side stones
This 14K Solid Gold Round Diamond Engagement Ring features a stunning central round diamond with pave set side stones, offering a captivating sparkle. The band, with a width and thickness of 1.60 mm, is crafted with VS-SI clarity diamonds and I-J color. Available in white, rose, and yellow gold, this ring comes with BIS Hallmarked certification for quality assurance. It is shipped within 10-12 business days, and customer support is available via live chats and video calls.
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14K Solid Gold Solitaire Natural Diamond Engagement Ring
14K Solid Gold Solitaire Engagement Ring with GIA-certified natural diamond. Available in 4 sizes from 0.03 to 0.21 carats. Minimalist and timeless.
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14K Solid Gold Twisted Side Stone Natural Diamond Engagement Ring 1 CT Promise Ring
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14K Solid Gold White Sapphire Art Deco Ring
Experience the elegance of the Art Deco era with our White Sapphire Art Deco Ring, featuring a stunning white sapphire set in solid gold for a touch of vintage-inspired glamour.
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14K Solid Gold Wide Band Halo Diamond Engagement Ring For Women
A luxurious 14k solid gold wide band engagement ring featuring a round-cut diamond with a halo design. VS-SI clarity, IJ color. Perfect for timeless sophistication, available in white, rose, or yellow gold.
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18k Gold 1.00 Carat Natural Diamond Engagement Ring
Elegant 18k gold engagement ring with 1.00 ctw natural diamonds, including fancy cuts. GH COLOR, VS-SI Clarity. BIS & GIA Certified.
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18K Solid Gold 0.74 Carat Natural Diamond Solitaire Ring
18k Solid Gold Solitaire Ring with a 0.74 ct natural diamond. GH color, VS-SI clarity. GIA & BIS certified. Available in white, rose, and yellow gold. Elegant and timeless.
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18K Solid Gold 3 Natural Diamond Engagement Ring
Three-stone engagement ring with 0.36 Ct natural diamonds in 18k solid gold. Available in yellow, white, or rose gold. GIA & BIS certified.
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18K Solid Gold Hidden Halo Engagement Ring 1CT Round Cut Natural Diamond Ring
1CT round-cut natural diamond engagement ring with a hidden halo in 18k solid gold. GH color, VS-SI clarity. GIA & BIS certified.
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18K Solid Gold Natural Blue Diamond Bezel Ring
Modern 18k Gold Bezel Ring with 0.12 ctw enhanced natural blue diamond. Available in white, rose, and yellow gold. BIS & GIA certified.
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18K Solid Gold Round Cut Diamond Ring
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18K Solid Gold Round Diamond Engagement Ring with Pave Set Side stones
This 18k Solid Gold Round Diamond Engagement Ring features a stunning central round diamond with pave set side stones, offering a captivating sparkle. The band, with a width and thickness of 1.60 mm, is crafted with VS-SI clarity diamonds and I-J color. Available in white, rose, and yellow gold, this ring comes with BIS Hallmarked certification for quality assurance. It is shipped within 10-12 business days, and customer support is available via live chats and video calls.
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18K Solid Gold Solitaire Natural Diamond Engagement Ring
18k Solid Gold Solitaire Engagement Ring with GIA-certified natural diamond. Available in 4 sizes from 0.03 to 0.21 carats. Minimalist and timeless.
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18K Solid Gold Twisted Side Stone Natural Diamond Engagement Ring 1 CT Promise Ring
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18K Solid Gold White Sapphire Art Deco Ring
Experience the elegance of the Art Deco era with our White Sapphire Art Deco Ring, featuring a stunning white sapphire set in solid gold for a touch of vintage-inspired glamour.
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18K Solid Gold Wide Band Halo Diamond Engagement Ring For Women
A luxurious 18k solid gold wide band engagement ring featuring a round-cut diamond with a halo design. VS-SI clarity, IJ color. Perfect for timeless sophistication, available in white, rose, or yellow gold.
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Faceted Band Solitaire Ring | 0.3CT Round Engagement Ring | 14k Solid Gold Ring
14k solid gold faceted band ring with a 0.35 ct round natural diamond. GH color, VS-SI clarity. GIA certified solitaire design.
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Faceted Band Solitaire Ring | 0.3CT Round Engagement Ring | 18K Solid Gold Ring
18k solid gold faceted band ring with a 0.35 ct round natural diamond. GH color, VS-SI clarity. GIA certified solitaire design.
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Natural Diamond Baguette Round Ring | 14kt Mixed Cut Engagement Ring | You and Me Ring
A dazzling 14kt mixed cut engagement ring featuring a baguette and round natural diamond, set in solid gold (white, rose, or yellow). With D-E-F color, VVS clarity natural diamonds (0.19 ctw), this "You and Me" ring is a timeless symbol of love and elegance.
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Natural Diamond Baguette Round Ring | 18kt Mixed Cut Engagement Ring | You and Me Ring
A dazzling 18kt mixed cut engagement ring featuring a baguette and round natural diamond, set in solid gold (white, rose, or yellow). With D-E-F color, VVS clarity natural diamonds (0.19 ctw), this "You and Me" ring is a timeless symbol of love and elegance.
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Natural Diamond Snowflake Engagement Ring: 14k Solid Gold Promise Ring for Women
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Natural Diamond Snowflake Engagement Ring: 18K Solid Gold Promise Ring for Women
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Non-traditional Engagement Ring | Accented Bezel Solitaire | 14k Solid Gold Halo
Modern 14K gold engagement ring with bezel-set 0.35 ct natural diamonds (GH COLOR, VS-SI Clarity). Available in 3 gold tones. BIS & GIA certified.
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Non-traditional Engagement Ring | Accented Bezel Solitaire | 18K Solid Gold Halo
Modern 18k gold engagement ring with bezel-set 0.35 ct natural diamonds (GH COLOR, VS-SI Clarity). Available in 3 gold tones. BIS & GIA certified.
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Rhombus North star Signet Ring |14k Solid Gold Celestial Ring | Tiny Natural Diamond Ring
14K solid gold North Star signet ring with 0.12 ct GH VS-SI diamond. Unique celestial design. GIA & BIS certified.
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Rhombus North star Signet Ring |18K Solid Gold Celestial Ring | Tiny Natural Diamond Ring
18k solid gold North Star signet ring with 0.12 ct GH VS-SI diamond. Unique celestial design. GIA & BIS certified.
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Round Solitaire Ring | 0.24CT Tiny Ring | 14k Solid Gold Square Patterned Ring
14k solid gold solitaire ring with 0.25ct natural diamond and modern square-patterned band. GIA & BIS certified.
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Round Solitaire Ring | 0.24CT Tiny Ring | 18K Solid Gold Square Patterned Ring
18k solid gold solitaire ring with 0.25ct natural diamond and modern square-patterned band. GIA & BIS certified.
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The Karat Store Diamond Simple Engagement Ring | 14K Solid Gold Ring
The Karat Store Diamond Simple Engagement Ring in 14K Solid Gold features a stunning natural diamond in a sleek, minimalist setting. Its timeless design and high-quality materials make it a perfect choice for an elegant engagement ring or a cherished piece for special occasions. This classic ring combines sophistication with lasting beauty.
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The Karat Store Diamond Simple Engagement Ring | 18K Solid Gold Ring
The Karat Store Diamond Simple Engagement Ring in 18k Solid Gold features a stunning natural diamond in a sleek, minimalist setting. Its timeless design and high-quality materials make it a perfect choice for an elegant engagement ring or a cherished piece for special occasions. This classic ring combines sophistication with lasting beauty.
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Thin Solitaire Natural Diamond Ring | Solitaire Round Engagement Ring in Solid Gold
14K Solid Gold Thin Solitaire Ring with 0.10 ct round natural diamond. GH color, VS-SI clarity. GIA & BIS certified. Available in white, rose, and yellow gold.
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Thin Solitaire Natural Diamond Ring | Solitaire Round Engagement Ring in Solid Gold
18k Solid Gold Thin Solitaire Ring with 0.10 ct round natural diamond. GH color, VS-SI clarity. GIA & BIS certified. Available in white, rose, and yellow gold.
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History, Types, Cultural Significance Of Round Brilliant Cut Natural Diamond Engagement Rings
The round brilliant cut features 58 expertly placed facets, designed specifically to maximise light reflection and deliver incredible sparkle. It's the number one choice among U.K. brides for engagements, offering classic beauty that feels timeless yet fresh.
Our round brilliant cut natural diamond engagement ring collection includes:
Classic solitaire round brilliant rings in prong or bezel settings
Halo settings that amplify the centre stone’s sparkle
Three-stone rings symbolising past, present, and future
Hidden halo and cathedral designs for added elegance
Modern minimalist and vintage-inspired styles
Each ring is handcrafted in solid 14K & 18 K yellow, white, or rose gold, featuring ethically sourced, GIA-certified natural diamonds known for their exceptional brilliance, fire, and timeless charm.
Quality of Material Used
We craft every ring in 100% solid 14K & 18 K gold—never plated, never filled—ensuring lasting beauty, strength, and value for a lifetime.
Our diamonds are GIA-certified natural diamonds, meaning each stone has been graded for authenticity, cut, colour, clarity, and carat weight. All rings are nickel-free and hypoallergenic, making them perfect for everyday wear and sensitive skin.
Certifications Provided
Every round, brilliant cut, natural diamond engagement ring from The Karat Store includes:
GIA certification verifying the diamond’s quality and authenticity
A 14K & 18 K gold purity stamp inside the band
A detailed invoice and full certification documentation
When you choose The Karat Store, you choose true craftsmanship backed by real certification.
Craftsmanship
Each ring is handmade by skilled artisans, with attention to precise setting, beautiful symmetry, and flawless finishing. Every ring undergoes a multi-point inspection before shipping, ensuring it’s perfect for your most important promises.
Frequently Asked Questions
1. Are these made with real gold and natual diamonds?
Yes. Every ring is made from solid 14K & 18 K gold and set with GIA-certified natural diamonds.
2. Why choose a round brilliant cut diamond?
The round brilliant cut is engineered for maximum sparkle and brilliance, making it the most popular choice for engagement rings.
3. Can I wear my round brilliant engagement ring daily?
Absolutely! Our rings are crafted for daily wear, offering durability and lasting beauty.
4. How long does U.K. shipping take?
Shipping usually takes 12 to 22 business days to your U.K. address.
5. Is shipping free across the United Kingdom?
Yes! We offer free, secure shipping nationwide.
6. Will I receive certification with my ring?
Yes. Every ring comes with GIA certification, a 14K & 18 K gold stamp, and a detailed invoice.
7. Are these rings hypoallergenic?
Yes. Our jewellery is nickel-free and hypoallergenic, safe for sensitive skin.
8. Can I customise my round brilliant engagement ring?
Yes! We accept custom orders—you can choose different carat weights, band styles, gold colours, or engraving options.
9. Are round brilliant rings good for proposals?
Absolutely. Round brilliant cut diamond rings are considered the ultimate choice for engagement proposals due to their brilliance and timeless style.
10. How do I contact customer support?
You can email us at contact@thekaratstore.uk—we’re happy to assist you with any questions or custom design requests.