• 11K+ Happy Customers
  • 30 Seconds Instant Payment
  • UK's Leading Buyer
  • Speak to Experts - 203 105 5534
  • £Millions+ in Sales
  • 11K+ Happy Customers
  • 30 Seconds Instant Payment*
  • 5 Reviews
  • UK's Leading Buyer
  • We Love You
We Buy Diamond
  • diamonds
    • GIA Diamonds
    • Loose Diamonds
  • jewellery
    • Diamond Rings
    • Wedding Eternity Rings
    • Designer Jewellery
  • gemstones
    • Sapphire
    • Ruby
    • Emerald
    • Other
  • watches
    • Rolex
    • Breitling
    • IWC
    • Omega
    • Cartier
    • Jaeger Lecoultre
    • Patek Philippe
    • Other
  • Handbags
Get Free Valuation

Sell Gemstones in London

Looking to sell gemstones in London? Whether you have ruby, sapphire, emerald jewellery, or loose coloured stones, we offer a free gemstone valuation and a clear, professional process to help you achieve the best possible price. At We Buy Diamond, we are trusted gemstone buyer in London and provide a safe way to sell your stones for a fair market offer. If you accept, you can receive Instant payments by bank transfer, with cash options available where applicable.

Get Your Free Valuation
Expert gemstone valuation
Gemstone Valuation in London

If you want to sell gemstones in London safely, the first step is a professional assessment. Our specialists provide a gemstone valuation based on genuine market factors so you can make a confident decision. We review your gemstone or jewellery by checking:

  • Gem type, carat weight, and cut quality
  • Colour, clarity, and overall appearance
  • Treatments, origin factors (where applicable), and setting condition
Certified and non-certified gemstone buyer
Certified & Non-Certified Gemstone Buyer

Have a certificate (GIA, IGI, GRS, SSEF, or similar)? Great — it can support identification and quality assessment. No paperwork? That’s fine too. We are experienced gemstone buyer in London and can assess both certified and non-certified stones. If you’re searching for where to sell gemstones in London, you can rely on our team for:

  • Fair, market-led offers from Hatton Garden gemstone buyer
  • Professional assessment of certified and non-certified coloured stones
Sell ruby sapphire and emerald jewellery
Sell Ruby, Sapphire & Emerald Jewellery in London

Looking to sell ruby jewellery in London, sell sapphire jewellery in London, or sell emerald jewellery in London? We buy a wide range of gemstone pieces and loose stones. Our process is quick, transparent, and secure. We commonly purchase:

  • Ruby, sapphire, and emerald rings, earrings, pendants, and bracelets
  • Loose gemstones, including matched pairs and single stones
  • Coloured gemstone jewellery in gold, platinum, and designer settings
Best price for gemstones in London
Get the Best Price When You Sell Gemstones

When you sell gemstones in London, value depends on factors such as colour, clarity, size, treatments, and overall condition, as well as demand for specific gemstone types. Our valuers assess both the centre stone and the setting to provide a strong offer. If you’re looking for the best place to sell gemstones in London, we aim to make the process simple:

  • Accurate valuation of both the gemstone and the jewellery setting
  • Fast offers and quick payout options
Our Process
How to Sell Gemstones in London Safely
Request your free gemstone valuation
Step 1

1 Request Your Free Gemstone Valuation

Complete our quick form to tell us what you’re selling, whether that’s ruby, sapphire, emerald jewellery, or loose stones. This helps our team provide an accurate initial estimate.

Step 2

2 Initial Assessment & Offer

One of our valuers will contact you to discuss your gemstone and provide an initial valuation. We aim to respond within 24 hours.

Initial gemstone assessment and offer
Secure drop-off or insured post
Step 3

3 Secure Drop-Off or Insured Post

Choose the option that suits you best. If posting, we use a secure and insured service so you can send your items with confidence.

Step 4

4 Final Gemstone Valuation

Once received, we assess your gemstone carefully and provide a final offer based on its quality, condition, and current market demand.

Final gemstone valuation
Get paid fast for your gemstones
Step 5

5 Get Paid Fast

Accept your offer and receive Instant payments. Many customers choose same-day or next-day bank transfer. If you decline, we return your item securely via insured delivery.

Trust
Trusted Gemstone Buyer in London
Security icon
Security
  • Secure handling
  • Insured and tracked delivery
  • Safe process from start to finish
  • Clear communication
  • Trusted London team
Experience icon
Experience
  • Established gemstone buyer
  • Experienced valuation team
  • Local London expertise
  • Strong market knowledge
  • Professional service
Best price icon
Best Price
  • Market-led gemstone valuation
  • Transparent pricing
  • Competitive offers
  • Hatton Garden gemstone buyer
  • No-pressure selling
Instant payments icon
Instant payments
  • Quick selling process
  • Instant cash options available
  • Fast bank transfer
  • Paid promptly after acceptance
  • Simple and secure
London Gemstone Buyer with Free Valuation

We are London-based buyer offering a specialist service for customers who want to sell gemstones in London and receive a fair offer from trusted professionals. Whether you’re selling ruby, sapphire, emerald jewellery, or loose coloured stones, our team focuses on a safe and transparent process.

If you prefer to sell by post, we provide a secure and insured service so you can send your items safely. Our goal is to offer strong prices based on the real market, making us a dependable option for anyone searching for where to sell gemstones in London.

FAQs
  • Where can I sell gemstones in London?
    If you’re wondering where to sell gemstones in London, choose trusted buyer who provide a transparent valuation and a secure process. We offer free valuations, careful assessment, and clear communication from start to finish.
  • Do you buy ruby, sapphire, and emerald jewellery in London?
    Yes. We regularly purchase coloured gemstone jewellery. If you want to sell ruby jewellery in London, sell sapphire jewellery in London, or sell emerald jewellery in London, we can assess your piece and provide a fair, market-led offer.
  • Can I sell gemstones without certificates?
    Yes — certificates can help, but they’re not always required. We can still provide a professional valuation by inspecting the gemstone. Where needed, we may recommend additional verification for certain stones.
  • Are you Hatton Garden gemstone buyer?
    Yes — we are trusted Hatton Garden gemstone buyer and provide a professional service for customers looking to sell gemstones in London.
  • How do you calculate gemstone resale value?
    Gemstone value is influenced by type, colour, clarity, carat weight, cut, treatments, and market demand. The setting, such as gold or platinum, can also add value. We explain the valuation clearly so you understand the final offer.

Ready to sell your item?

Join thousands who’ve chosen We Buy Diamond for a secure, fast, and fair selling experience.

Visit Us

Appointment Only

Monday - Saturday 10:00 am - 6:00 pm
Sunday 10:00 am - 6:00 pm
 
Call Us

Contact one of our experts today and they will be more than happy to speak to you through the phone regarding any questions or problems you may have

+44 20-3105 5534
Email Us

You can also email us and we guarantee that we will reply to you within 24 hours

info@ webuydiamond.co.uk

Get a Free Quote Today

As a trusted Diamond Buyer in London, we make it easy to sell old diamonds, engagement rings, gold jewellery, gemstones, designer handbags, and used Rolex watches. Get a free valuation, in-house verification, competitive cash offers, price-match, and same-day/instant pay-out, or sell your jewellery online with confidence.

Sell Your Goods
  • Sell Diamonds
  • Sell Diamond Rings
  • Sell Jewellery
  • Sell Gemstones
  • Sell Watches
  • Sell Handbags
Useful Links
  • About Us
  • How It Works
  • Contact Us
  • Terms & Conditions
  • Blog
  • Privacy Policy
Delivery Partners
Contact Us
  • We Buy Diamond, Office 15, 2nd Floor, 88-90 Hatton Garden, London EC1N 8PN, United Kingdom

Visit Us
  • Appointment Only

  • Monday - Saturday

    10:00 am - 6:00 pm

  • Sunday

    10:00 am - 6:00 pm

Copyright © 2026 WE BUY DIAMOND. All rights reserved.

This website is owned and operated by AL KAREEM JEWELLERS LTD T/A WE BUY DIAMOND. REG COMPANY #11186942

As a trusted Diamond Buyer in London, we make it easy to sell old diamonds, engagement rings, gold jewellery, gemstones, designer handbags, and used Rolex watches. Get a free valuation, in-house verification, competitive cash offers, price-match, and same-day/instant pay-out, or sell your jewellery online with confidence.

  • Sell Diamonds
  • Sell Diamond Rings
  • Sell Jewellery
  • Sell Gemstones
  • Sell Watches
  • Sell Handbags

  • About Us
  • How It Works
  • Contact Us
  • Terms & Conditions
  • Blog
  • Privacy Policy

  • We Buy Diamond, Office 15, 2nd Floor, 88-90 Hatton Garden, London EC1N 8PN, United Kingdom

  • Appointment Only
  • Monday - Saturday
    10:00 am - 6:00 pm
  • Sunday
    10:00 am - 6:00 pm
Copyright © 2026 WE BUY DIAMOND. All rights reserved.

This website is owned and operated by AL KAREEM JEWELLERS LTD T/A WE BUY DIAMOND. REG COMPANY #11186942