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  • UK's Leading Buyer
  • We Love You
  • £Millions+ in Sales
  • 10K+ 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
  • Contact Us
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Every gemstone has both physical and metaphysical properties, often associated with high astrological value. While many people use these stones simply to enhance the beauty of their jewellery, what happens when your gemstone jewellery breaks? Don’t assume the stone is worthless. Sell those gemstones to us. At We Buy Diamond, we unlock the real value of real gems.

Sell Now
Gemstone Assessment
Gemstone Assessment

From precious lapis lazuli to semi-precious aquamarine, we buy all types of gemstones and offer cash within a short timeframe. We understand you may not know every detail about your stones. That’s why our gemstone specialists accurately calculate their value based on:

  • Grades
  • Clarity
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Easy to Sell

Do you have a variety of stones to sell? It’s easy to get the right value for each piece. You can rely on us for accurate valuations. We will provide you with a report that includes an estimate of your gemstone’s price. All you need to do is complete two simple steps:

  • Fill out our simple online form
  • Ship your gemstone to us via our insured postal service


If you are searching for where to sell gemstones or the best place to sell gemstones online, our experts provide a simple and secure process to help you receive competitive market value for your precious stones.

Gemstone
Gemstone Valuation

No stone is too big or too small for our professional gemmologists to assess. You can confidently sell gemstones of any colour, carat, shape, or quality. Our certified and qualified experts also consider each stone’s rating when determining its value.

  • A-rated stones have high transparency and the highest value
  • B-rated stones are commonly found in smaller jewellery and may have minor inclusions
  • C & D-rated stones have visible inclusions and are generally less valuable
Ruby Gemstone
We Buy Any Gemstone

Gemstones are mineral crystals that are polished and transformed from their raw form. Translucent gemstones with vibrant colour are particularly valuable. Our certified gem specialists know how to assess the clarity and authenticity of your stones. We do not purchase lab-created or synthetic stones, but we are happy to buy genuine stones of all types:

  • A to D Rated Stones
  • Loose + Jewellery Stones
 
 
 
 
 
Our Process
Explained
Our Process
How It Works
How It Works

1 Fill In Online Form

Complete our easy-to-use online form in order for our in-house valuers to get the best idea of your precious item.

2 Initial Evaluation

Once you complete our online form, one of our valuers will contact you within 24 hours to discuss with you the initial valuation of your item.

Initial Evaluation
Ship Your Items

3 Ship Your Items

Once you are happy with our initial valuation we will send you a secure Royal Mail package in order for you to ship us your items.

4 Final Evaluation

Once we receive your item we will open it on camera for your security. Then one of experts will assess your item and will quote you your final valuation.

Final Evaluation
Get Your Offer

5 Get Your Offer

If you accept our offer, you will receive the money within 24-48 hours if you choose bank transfer. If not then we will mail you a check.

If you choose to decline our offer we will simply return your item to you via our secure and insured Royal Mail Service

Trust
Why People Choose Us
Security
  • Items Opened On Camera
  • Insured Delivery Service
  • Tracked Package
  • Safety Gurantee
  • Royal Mail
 
Experience
  • Luxury Watch Specialists
  • 14 Years Experience
  • GIA Trained Experts
  • Global Connections
  • In-House Team
 
Best Price
  • Qualified Luxury Watch Experts
  • Various Security Tests
  • Competitive Analysis
  • GIA Trained Valuers
  • Expert Valuation
 
Fast Payment
  • Fast & Easy Selling Process
  • Instant Payment
  • Within 24 Hours
  • Fast Valuation
  • Instant Offer
 
Who are we?

We are Hatton Gardens based jewellers that offers buying service to our customers. At We Buy Diamond, we will buy any type of precious goods, from diamonds and watches to gemstones. Our in-house experts have over 14 years experience in the buying and selling precious goods industry, therefore you can always rely on our expert valuers to give you the best price possible in the shortest amount of time.

Furthermore unlike most other jewellers we provide a fast and reliable postal services to all of our customers so you can send us your items safely and free-of-charge. Because of our unique international connections in the industry and our experience in the market we will offer you more for your item than the vast major of other jewellers.

FAQ's
  • How can I Sell my Gemstones?
    Gemstones such as rubies, emeralds and sapphires can be sold for cash through a straightforward process. Just like any other piece of jewellery, gemstones are among the most precious items you may own. If your jewellery is damaged or no longer useful, don’t worry - We Buy Diamond offers a trusted solution. We Buy Diamond accepts various items, including bangles, rings, earrings, necklaces and other ornaments. The value we offer depends on the quality and condition of your piece. Coloured rubies, in particular, are considered more valuable than many other gemstones. If you're considering selling gemstones, investing in coloured rubies may yield the highest return.
  • What is the Resale Value of Gemstones?
    To sell your gemstone jewellery, you should approach an experienced and reputable company that offers fair rates. At We Buy Diamond, we provide excellent offers for a wide range of jewellery, including vintage, modern and antique pieces. Our team has in-depth knowledge of various types of jewellery, allowing us to give you the best possible value based on the condition and uniqueness of your items.
  • How much Money is a Gemstone Worth?
    Struggling to find a store that offers fair prices for sapphire or other gemstones? Look no further. At We Buy Diamond, we have a dedicated jewellery department that not only buys ornaments but also recycles them using eco-friendly methods with zero carbon emissions - making it a greener way to sell. We offer multiple payment options to suit your needs, including cash, cheques, debit and credit cards, mobile payments, and electronic bank transfers. Our advanced valuation techniques ensure you receive the best possible price.
  • How can I Sell my Sapphire Gemstones for Cash?
    Why spend time searching for a local sapphire buyer when you can sell your sapphire online from the comfort of your home? At We Buy Diamond, the entire process is simple, secure, and hassle-free. Simply complete our online enquiry form, and a member of our team will contact you within 24 hours with an initial valuation. We will only proceed once you are happy with the offer, with no obligation to sell. If you choose to accept our offer, payment can be made quickly and securely via bank transfer, so there is no need to visit us in person. Our experienced team will guide you through every step of the process, ensuring a smooth and transparent experience. Contact us today to discover how much your sapphire or sapphire jewellery could be worth.
  • Which Gemstone has the Highest Resale value?
    Coloured rubies are considered more valuable than most other gemstones. If you are in the business of selling gemstones and jewellery, it is wise to invest in coloured rubies. Below is a list of gemstones ranked by their resale value:
    Tanzanite—$1,200 per carat.
    Black Opal—$9,500 per carat.
    Red Beryl—$10,000 per carat.
    Musgravite—$35,000 per carat.
    Alexandrite—$70,000 per carat.
    Emerald—$305,000 per carat.
    Ruby—$1.18 million per carat.
    Now that you have a better idea of gemstone values, you’ll want to sell them to a trustworthy company. That’s where We Buy Diamond comes in. We’ve been buying pre-owned jewellery for years, and our team of professionals is committed to giving you the best possible price for your items. Contact us today for a free valuation.
  • How do I Sell my Sapphire Stones?
    Sapphire is a valuable variety of the mineral corundum, containing elements like iron, titanium, chromium, or magnesium. If you’re considering selling sapphire stones - whether old or unwanted - contact We Buy Diamond. With over 14 years of industry experience, we are a trusted buyer with a proven track record. Visit our website, fill in the online application, and we’ll handle the rest, offering a fair and transparent valuation.
  • Do Sapphires Jewellery have Resale value?
    Yes - sapphire jewellery does hold resale value, especially if it’s natural or untreated. To begin the selling process, simply complete our online application form. Once submitted, we’ll contact you within 24 hours with an estimated value. If you're happy with the offer, we’ll send a courier to collect the item - all at no cost to you. You don't need to leave your home, and the entire transaction is securely managed online.
  • How can I Sell my Gemstones Jewellery for Cash?
    Most people consider pawn shops when selling jewellery, but the process can be inconvenient and undervalued. At We Buy Diamond, we offer a more professional, transparent, and rewarding way to sell gemstones. Whether it’s lapis lazuli, aquamarine or other semi-precious stones, our expert gemmologists will assess your item based on cut, colour, clarity and carat weight. Simply fill in our online form, send the item via our delivery portal, and receive a cash offer - all without leaving your home.
  • Where should I Sell my Gemstones?
    If you have gemstones such as diamonds, pearls, rubies, sapphires, emeralds, cat’s eye or alexandrite, trust a specialist buyer like We Buy Diamond. Our certified gemmologists assess your jewellery accurately and provide the best market rate. Complete our online application with relevant details. After an initial consultation, we’ll provide a competitive quote. Upon your approval, we’ll arrange secure collection and payment.
  • Is old Sapphire more valuable than Ruby?
    Natural, untreated rubies are generally rarer and more valuable than sapphires. However, high-quality sapphires - particularly older ones - can still achieve excellent resale value. At We Buy Diamond, we purchase a wide variety of gemstones, offering secure payment options such as cheques, debit/credit cards, mobile payments and bank transfers.
    We’re based in Hatton Garden and welcome both individual sellers and those looking to sell in bulk. Contact us through our website, phone or email. Once approved, we’ll arrange collection and promptly transfer payment.
  • Which Gemstone has the best Resale value?
    Coloured rubies are considered more valuable than most other gemstones. If you are in the business of selling gemstones and jewellery, it is wise to invest in coloured rubies. Below is a list of gemstones ranked by their resale value:
    Musgravite—$35,000 per carat.
    Alexandrite—$70,000 per carat.
    Emerald—$305,000 per carat.
    Ruby—$1.18 million per carat.
    Tanzanite—$1,200 per carat.
    Black Opal—$9,500 per carat.
    Red Beryl—$10,000 per carat.
    Now that you have a better idea of gemstone values, you’ll want to sell them to a trustworthy company. That’s where We Buy Diamond comes in. We’ve been buying pre-owned jewellery for years, and our team of professionals is committed to giving you the best possible price for your items. Contact us today for a free valuation.
  • Is Sapphire more valuable than Emerald?
    Emeralds are among the rarest gemstones in the world-even rarer than sapphires-which generally makes them more valuable. A sapphire may range from £800 to £9,000 per carat, while emeralds typically range from £400 to £900 per carat. However, some high-quality emeralds can far exceed these figures.
    Gemstone value also depends on factors such as colour, carat weight, clarity, and cut. For an accurate valuation, it’s best to consult a reputable jewellery buyer. We Buy Diamond has years of experience in buying fine gemstones. Contact us today to receive a fair market offer for your jewellery.
  • How can I Sell my Gemstones online?
    Many people ask this question because it can be difficult to find a trustworthy buyer online. That’s why We Buy Diamond offers a secure and convenient solution. Here’s how it works: 1. Visit our website and complete the online application form. 2. We’ll call you within 24 hours to discuss your gemstone and provide an initial valuation. 3. Once you approve the offer, we’ll arrange secure collection and payment. We treat your gemstones with care and provide accurate, professional valuations you can trust.
  • Where can I Sell Ruby Gems?
    Traditionally, people turn to pawn shops to sell rubies-but there’s a better way. At We Buy Diamond, you can sell your ruby gems from the comfort of your home. Simply fill out the form on our website, and we’ll contact you with an offer. Our process is straightforward and transparent. We’ve helped hundreds of customers sell their jewellery securely online. If you have any questions, feel free to call us.
  • Does Ruby Stones have Resale value?
    Yes, ruby stones do have resale value-especially natural, untreated rubies. Their worth depends on colour, clarity, size, and origin.
    At We Buy Diamond, we have a team of gemmological experts who assess each ruby carefully. Just fill out our online form and send photos of your ruby. We'll provide an initial valuation, and if you agree, we’ll collect the item and pay you securely. The process is hassle-free and completely free of charge.
  • How can I Sell my Gemstones for Cash?
    To sell your gemstones for cash, you need a trusted buyer with experience, security, and transparent processes. We Buy Diamond provides all of that.
    Visit our website, complete the form, and include photos of your gemstone. We’ll assess the item and offer an initial quote. Upon your approval, we’ll collect the jewellery and transfer the agreed amount to your chosen payment method. Whether your gemstone is rare or common, we offer fair valuations and fast payments.
  • How much can I Sell my Emerald for?
    The value of an emerald can vary significantly-from under $1 to over £100,000 per carat-depending on clarity, colour, carat, and cut.
    At We Buy Diamond, we provide accurate, no-obligation valuations for emeralds of all types. Simply visit our website, upload clear images of your emerald, and fill out the form. Our specialists will call you with an initial price. We offer payment via bank transfer, cash, cheque, debit/credit card, or other preferred methods. The entire service is free of charge.
  • Where can I Sell Emerald Jewellery?
    Looking to sell your emerald jewellery? We Buy Diamond is affiliated with GIA, HRD, and The Watch Register, ensuring professional and secure handling of your items. Here’s how the process works:
    1. Fill out our online form.
    2. Receive a call and initial valuation from our experts.
    3. Approve the offer, and we’ll send a secure courier to collect the item.
    4. Receive payment in your preferred method-cash, bank transfer or cheque.
    We buy all types of gemstones, regardless of age or condition.
  • How much is my Emerald Ring Worth?
    The value of an emerald ring depends on its tone, colour, clarity, weight, and cut. Medium to medium-dark emeralds are usually more valuable. We Buy Diamond offers free, no-obligation valuations. Fill out the form on our website, and one of our experts will get in touch. We guarantee safe handling under CCTV monitoring and no hidden charges. Contact us today for a reliable valuation and prompt payment.
  • Where is the Best Place to Sell Emerald Gemstones?
    Emerald gemstones can range in value from under $1 to over $100,000 per carat depending on size, colour, and clarity. At We Buy Diamond, we buy all types of emeralds-whether old, new, or damaged. Fill out our application form, include photos of the gemstone, and our team will contact you within 24 hours. Once you approve the valuation, we’ll collect your item and arrange secure payment. We pride ourselves on offering fair prices and a smooth selling experience.
  • Do you Sell Second Hand Gemstone?
    Yes, we buy and sell second-hand gemstones. We also recycle jewellery responsibly to benefit both customers and the environment. To sell to us, simply complete the form on our website. Our team will assess your gemstone and offer an initial valuation. Once approved, we’ll collect the item and pay you securely. The process is completely free and flexible to your needs.
  • Where to Sell my old Green Emeralds Gemstones?
    Looking to sell your old green emeralds? Look no further. At We Buy Diamond, we buy all kinds of emerald jewellery-broken, old, or unused-and offer fair rates with no hidden charges.
    Even if your gem is chipped or worn, we’ll still purchase it for recycling. Just fill out our online form and provide images. Our professionals will evaluate your gemstone and contact you with an offer. Once you accept, we’ll arrange secure collection and payment.
  • How do we calculate the Value of Emeralds?
    The value of an emerald is calculated based on four main criteria: colour, clarity, cut, and carat weight. Grading is also important and should be carried out by professionals. We Buy Diamond has over 14 years of experience and a strong reputation in the jewellery industry. When you contact us, our team will carefully assess your emerald and provide a reliable valuation. Once you approve the offer, we’ll handle everything-from collection to payment-at no cost to you.
Contact US
Contact The Experts

With over 20 year's combined experience in the diamond buying and selling industry, our experts possess extensive knowledge of metal assessment, market evaluation, and diamond appraisal — enabling us to offer you the best possible price in the shortest time. We not only ensure top value for your items but also make the entire process easy, seamless, and hassle-free, giving you complete peace of mind.

Visit Us

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

Veiw Address
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

02031055534
Email us

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

[email protected]

Need some help?

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In-house verification, price-match, and same-day/instant pay-out.

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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

London’s Trusted Diamond Buyers.
In-house verification, price-match, and same-day/instant pay-out.

  • 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 Suite 15, 2nd Floor, 88-90 Hatton Garden 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