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77 Diamonds

We are a leading diamond e-tailor with the world’s largest selection of certificated diamonds. Taking our name from the year 1477 when the modern Western practice of giving engagement rings first arose, we are a new breed of jeweller specialising in engagement rings and diamond jewellery. Our passion for diamonds and jewellery spans more than 20 years, drawing on a heritage that goes back four generations. For more information or updates about 77 Diamonds, follow us on: Facebook: www.facebook.com/77diamonds Instagram: https://instagram.com/77diamonds/ Twitter: www.twitter.com/77diamonds Pinterest: http://pinterest.com/77diamonds/

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Retail Luxury Goods and Jewelry 151 Employees Found 3 Hanover Square, United Kingdom Founded 2004 3628 Similar Companies
151 Employees Found
93% Email Coverage
$3.1M Est Revenue
+5% YoY Headcount Growth
9 Office HQ
3628 Similar Companies
Sep '26 Last Verified

77 Diamonds – Company Information

Retail Luxury Goods and Jewelry
Founded 2004
3 Hanover Square, London, GB
Diamonds Jewellery Wedding Bands Diamond Rings Diamond jewellery Engagement rings Eternity Rings Fancy coloured diamonds Loose certificated diamonds
WordPress GitHub Slack Stripe PayPal Zendesk Docker Kubernetes PostgreSQL Redis
Aug 2026
Hackers say they know where nearly half a million diamond customers live

Over half a million diamond shoppers may have been affected by an alleged data breach at the London-based online jewelry retailer.

Aug 2026
77Diamonds launches London black cab advertising campaign

The branded taxis feature the company's diamond jewellery alongside an earthy colour palette across the capital.

May 2026
Rising Gold Prices Reshape Engagement Ring Market

New research from 77 Diamonds reveals that soaring gold prices have seen gold demand from the jewelry sector fall significantly.

Jan 2026
'There were huge markups in diamond rings before we came along'

Tobias Kormind discusses the online jewelry business model and the evolution of the diamond industry.

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Decision Makers by Function

Margaux B

Margaux B

Head

Head of Customer Care • Champion • 1 year

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Vadim Weinig

Vadim Weinig

Founder

Co-Founder & Director of Operations • Economic Buyer • 19 years

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Caroline Lubbock Cusme

Caroline Lubbock Cusme

Head

Head Of Production • Champion • 4 years

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Chris Moloney

Chris Moloney

Head

Head polisher • Champion • 1 year

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Frequently asked questions about 77 Diamonds

What is 77 Diamonds email format?

The widely used 77 Diamonds email format is {first} (e.g. john@77diamonds.com) with 50% adoption across the company.

What is 77 Diamonds customer service number?

To contact 77 Diamonds customer service number call here +442035401477. To contact 77 Diamonds customer service number in your country click here to find.

Who are the decision makers in 77 Diamonds?

The decision makers in 77 Diamonds are Vadim Weinig, Tobias Kormind, Renee Mann, etc. Click to Find 77 Diamonds decision makers emails.

Where is 77 Diamonds headquarters located?

77 Diamonds headquarters is located at 3 Hanover Square, London, GB.

What is 77 Diamonds's annual revenue?

77 Diamonds generates an estimated $10M–$50M annually, based on industry analysis and publicly available market data.

How can I contact 77 Diamonds?

You can contact 77 Diamonds by calling +442035401477.

What is 77 Diamonds Contact number?

You can contact 77 Diamonds at +442035401477. For faster support, we recommend reaching out via email or the contact form on their website.