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HIGHCARAT DIAMONDS

Gifts That Speak the Heart 

Shop Exquisite Lab-grown diamond pieces - Perfect for Birthday, Anniversary, & Special Celebrations. Don’t miss out!

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About Us

Welcome to Highcarat Diamonds!

We create premium lab-grown diamond jewelry that reflects your values as much as your style. With every engagement ring, necklace, or heirloom piece we craft, our goal is simple: make the jewelry as unforgettable as the moment it marks.

We specialize in antique-shaped diamond creationscustom design orders, and expert special-cut diamonds, blending traditional techniques with modern innovation. Every design is carefully imagined, hand-finished, and ethically made from conflict-free diamonds, set in your choice of 10K, 14K, or 18K gold.

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Feel The Love

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Beautiful ring and amazing quality!

My solitaire lab-grown diamond ring from Highcarat Diamonds is absolutely stunning. The sparkle is unreal, and the craftsmanship feels premium. Delivery to the UK was smooth and quick. Truly impressed!

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Exactly what I wanted!

I purchased a lab-grown diamond wedding band from Highcarat Diamonds, The diamonds are super bright, the fit is comfortable, and the craftsmanship feels top-tier. Shipping to the US was fast and secure.

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looks beautifully vintage

I ordered an antique-shaped lab-grown diamond piece and I’m honestly so impressed. The detailing looks beautifully vintage, and the stone has a soft, elegant sparkle that feels really special. Thank you!

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Very impressed with the whole experience!

The shipping to Canada was quicker than I expected, and the package arrived safely without any issues. The jewellery box and outer packaging looked really elegant and secure, which made the unboxing feel special. All the certification documents were included and clearly explained, so I felt completely confident about what I was buying. Overall, a smooth and reassuring experience!

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Amazing customer service!

The team was so friendly and easy to talk to. Every time I had a question, they replied quickly and explained everything clearly. Their communication was fast, honest, and super helpful, which made the whole process stress-free. Honestly, some of the best customer support I’ve experienced in a long time!

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stones sparkle so nicely

I ordered a tennis bracelet and it looks even better in person. The stones sparkle so nicely and the bracelet feels very secure and well-made. Shipping to Germany was smooth, and the quality really impressed me. I’ve been wearing it almost every day!

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I’m really happy with them

I bought a pair of stud earrings and I’m really happy with them. They have a clean, bright sparkle and feel comfortable enough to wear all day. Shipping to the USA was easy, and the earrings looked exactly like the photos. A lovely little upgrade to my daily look!

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my favourite piece

I ordered a halo ring and it instantly became my favourite piece. The center stone catches the light beautifully, and the halo makes it look so elegant and bright. Shipping to Germany was smooth, and the ring arrived perfectly packaged. It looks even more gorgeous in person than I expected!

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Really happy with the quality!

I bought a necklace and was honestly surprised by how refined the finishing is. The edges are smooth, the shine is lovely, and it feels very comfortable to wear. It arrived in the UK nicely packaged. Really happy with the quality!

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Perfect for everyday use!

I’ve been wearing this piece daily and it feels incredibly secure and comfortable. It doesn’t snag, sits nicely, and I barely even notice it’s on. For something I can trust for everyday wear, this has been a great choice!

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Beautiful engraving from Highcarat Diamonds!

I had my piece engraved by Highcarat Diamonds, and it turned out absolutely perfect. The lines are clean, clear, and really precise. It adds such a meaningful, personal touch to the jewellery. I’m genuinely impressed with how neatly and professionally the engraving was done!

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Such a knowledgeable and supportive team!

The team at Highcarat Diamonds was incredibly helpful throughout the whole process. They explained everything clearly, guided me with honest suggestions, and never made me feel rushed. You can tell they really know their craft. I felt fully confident with every decision, and I’m genuinely satisfied with the final result. Great experience overall!

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diamond quality is lovely

I ordered a customised lab-grown diamond pendant and the result was perfect. The team listened carefully to what I wanted and turned the idea into a beautiful, polished piece. The diamond quality is lovely, the design feels personal, and the finishing is really clean. I’m genuinely so happy with how my custom pendant turned out!

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AMAZING QUALITY!

From the very first message, I felt like I was dealing with people I could trust. Every detail was explained clearly, no pressure, no hidden surprises—just honest guidance. Their transparency made the whole experience smooth and stress-free. I felt confident with every step of the purchase!

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So happy I chose this!

I picked this piece as a gift, and it couldn’t have gone any better. The moment they opened it, their face lit up—it was truly priceless. The jewellery looked even more beautiful in person, and the quality made it feel like such a thoughtful, meaningful present. So happy I chose this!

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absolutely perfectly

I was a bit nervous about ordering the right size, but it fits absolutely perfectly. No adjustments needed, no discomfort—just a smooth, comfortable fit from the moment I put it on. Really happy with how accurate the sizing turned out!