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Launched in 2012, WP Diamonds is the modern and luxury alternative for selling diamonds, designer jewelry and watches. Unlike traditional pawnbrokers or jewelers, we buy your items directly and there are no costs associated with selling. Our entire process is streamlined to take as little as 24 hours. Sell diamonds in Japan online or via appointment at our Tokyo office. As international luxury buyers, we also have offices in the US, the UK and Hong Kong.

We pride ourselves on providing unparalleled customer service with the most honest price quotes in the market. No inflated or misleading high-end ranges like many others buyers. And no fees or commissions deducted. With WP Diamonds, you can rest assured that you are selling to the industry leaders for the best prices.

WP Diamonds is a proud donor of the US charity Jewelers for Children

How To Sell Diamonds, Jewelry and Watches in Japan

Our selling process was created with you in mind: follow our five simple steps outlined below to secure the best prices.

Complete our online form

Receive your initial valuation by phone or email

Ship us your items
or schedule your appointment
in Tokyo

Our experts will contact you with a full valuation and offer

Accept payment or we return your items free of charge

Trade in Diamonds, Jewelry and Watches For Store Credit

And get up to 10% more for your offer

Looking to upgrade your jewelry or watch collection? Trade in your pieces in for something now: shop a wide range of diamond jewelry, designer jewelry and luxury watches.

Start by telling us what you are looking to trade in


Valuing and pricing luxury items is complex. It requires a thorough understanding of the second-hand market as well as in depth technical knowledge of diamond grading, authentication techniques and more. Our team is made up of industry experts, on hand to answer any questions you may have.

CALL 03-6689-3653

Sell diamonds in Japan to GIA trained gemologists

Why sell to WP Diamonds Japan

1. Fast: Whether you are looking to sell for cash or an upgrade, our process can take as little as 24 hours. We understand that your time is valuable, as are your jewelry and watches. We get you the best price in as little as 24 hours.

2. We buy a wide range of luxury items: Sell extravagant diamond rings or simple diamond studs. From Rolex to Omega and Cartier to Hermes. We consider all inquiries for diamond, designer jewelry and luxury watch sales. As global luxury experts, we take the valuation of all aspects of your jewelry seriously, including the metal, any side stones and the added value of designer brand pieces. As such we are able to provide better prices than gold buyers or pawnbrokers. Sell engagement rings in Japan to the diamond experts. We are a diamond ring buyer specialists on hand to advise you and walk you through the diamond sale process. Get your bespoke online quote today.

3. Free Process: There are no costs, fees or commissions deducted from your final price. The final amount that we quote you is the amount that you will receive.

4. Trustworthy & Reputable Company: We understand that selling diamond, designer jewelry and luxury watches can feel like a daunting process. We take great pride in our reputation, service and our customer’s experience. As global buyers, we have grown our business thanks to our professional, reliable and trustworthy service. Read our online reviews here.

As featured on

Forbes article covering WP Diamonds

“WP Diamonds has changed the narrative by cultivating a lavish experience for both the buyer and seller.”

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“WP Diamonds is the leading online buyer of diamonds, jewellery and watches.”

WP Diamonds article in Men's Fitness

“WP Diamonds can offer you more money for your diamonds, jewelry and watches than a jewelry shop or pawnbroker.”

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wp diamonds features in mens health

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Disclaimer: WP Diamonds is not an authorized dealer of Rolex or any watch or jewelry manufacturer. All trademark names, brands and models mentioned on this website are the sole property of their respective trademark owners. The site, including its owners, operators and developers are not affiliated with nor endorsed by any of the watch or jewelry manufacturers on the site or any of their subsidiaries.