Get access to better pricing, real-time market insights, and over 2M diamonds available for immediate purchase.
With UNI, you get more than an online diamond marketplace.
You get faster delivery, better pricing, and personal support from a dedicated account manager.
With UNI, you don't just search.
You see a diamond you like? You click it, you buy it. Mazal!
“I bought 34 stones from different UNI suppliers and received them all in one consolidated Malca-Amit shipment, which saved me money on shipping and made the whole process much simpler.”
“The UNI platform is simple and easy to use. Once my team understood and embraced it, they use it all the time. It has made sourcing diamonds easier and more efficient with access to so many through one source. And if the diamonds do not sell, the returns are hassle free. I highly recommend UNI for your loose diamond needs.”
“UNI is top-notch. Their commitment to quality and sustainability is impressive, and their team is always responsive and knowledgeable. Highly recommend!”
“Before UNI, securing the right stones was a logistical nightmare. Now, it’s as simple as a few clicks. The real-time inventory access and fast shipping have truly transformed how we meet customer demands and close deals.”
“UNI has simplified the whole memo process, is effortless to sell on, and is the best experience we've had.”
“UNI has made my life 100% easier. No calls, no chasing, just the best cash prices, exactly when I need them.”
“We used to waste hours searching across six vendors. Now UNI sends us real-time alerts the moment the right stones hit the market. It’s faster, smarter, and way more efficient.”
“UNI took the delays and headaches out of sourcing. Fast, free delivery through Malca-Amit and a seamless buying process have completely changed how we run our business. It’s faster, cheaper, and just works.”
“UNI’s API completely transformed our business. We can now connect customers to over 2 million stones in real time, automate our sourcing, and keep service levels high without adding complexity. It’s the backbone of our growth.”
“Working with UNI Diamonds has been an absolute pleasure. Their exceptional customer service, extensive inventory, and easy-to-use platform make finding the right options for our clients seamless and efficient. I couldn’t recommend them more highly!”
Get access to better pricing, faster delivery, and real-time insights today.
Get access to better pricing, real-time market insights, and over 2M diamonds available for immediate purchase.
“I bought 34 stones from different UNI suppliers and received them all in one consolidated Malca-Amit shipment, which saved me money on shipping and made the whole process much simpler.”
“The UNI platform is simple and easy to use. Once my team understood and embraced it, they use it all the time. It has made sourcing diamonds easier and more efficient with access to so many through one source. And if the diamonds do not sell, the returns are hassle free. I highly recommend UNI for your loose diamond needs.”
“UNI is top-notch. Their commitment to quality and sustainability is impressive, and their team is always responsive and knowledgeable. Highly recommend!”
“Before UNI, securing the right stones was a logistical nightmare. Now, it’s as simple as a few clicks. The real-time inventory access and fast shipping have truly transformed how we meet customer demands and close deals.”
“UNI has simplified the whole memo process, is effortless to sell on, and is the best experience we've had.”
“UNI has made my life 100% easier. No calls, no chasing, just the best cash prices, exactly when I need them.”
“We used to waste hours searching across six vendors. Now UNI sends us real-time alerts the moment the right stones hit the market. It’s faster, smarter, and way more efficient.”
“UNI took the delays and headaches out of sourcing. Fast, free delivery through Malca-Amit and a seamless buying process have completely changed how we run our business. It’s faster, cheaper, and just works.”
“UNI’s API completely transformed our business. We can now connect customers to over 2 million stones in real time, automate our sourcing, and keep service levels high without adding complexity. It’s the backbone of our growth.”
“Working with UNI Diamonds has been an absolute pleasure. Their exceptional customer service, extensive inventory, and easy-to-use platform make finding the right options for our clients seamless and efficient. I couldn’t recommend them more highly!”
Our team will be in touch shortly to arrange a time that works best for you.
You are now one step closer to:
Access to over 2 million stones from 400+ trusted suppliers.
Powerful market insights to stay ahead of your competitors.
Fast, secure delivery with Malca-Amit.
Show over 2 million diamonds under your own brand and create a smoother selling experience from first conversation to closing.
Facet gives you a branded diamond showroom powered by over 2 million diamonds from hundreds of suppliers.
Facet is designed to help businesses present diamonds under their own brand, create a smoother customer experience, and sell more professionally from first conversation to closing.
Ottieni accesso alla consegna gratuita con Malca-Amit, ai migliori
prezzi cash su diamanti live e a market insights in tempo reale.
Unisciti a una piattaforma scelta da professionisti del diamante in tutto il mondo.
“I bought 34 stones from different UNI suppliers and received them all in one consolidated Malca-Amit shipment, which saved me money on shipping and made the whole process much simpler.”
“The UNI platform is simple and easy to use. Once my team understood and embraced it, they use it all the time. It has made sourcing diamonds easier and more efficient with access to so many through one source. And if the diamonds do not sell, the returns are hassle free. I highly recommend UNI for your loose diamond needs.”
“UNI is top-notch. Their commitment to quality and sustainability is impressive, and their team is always responsive and knowledgeable. Highly recommend!”
“Before UNI, securing the right stones was a logistical nightmare. Now, it’s as simple as a few clicks. The real-time inventory access and fast shipping have truly transformed how we meet customer demands and close deals.”
“UNI has simplified the whole memo process, is effortless to sell on, and is the best experience we've had.”
“UNI has made my life 100% easier. No calls, no chasing, just the best cash prices, exactly when I need them.”
“We used to waste hours searching across six vendors. Now UNI sends us real-time alerts the moment the right stones hit the market. It’s faster, smarter, and way more efficient.”
“UNI took the delays and headaches out of sourcing. Fast, free delivery through Malca-Amit and a seamless buying process have completely changed how we run our business. It’s faster, cheaper, and just works.”
“UNI’s API completely transformed our business. We can now connect customers to over 2 million stones in real time, automate our sourcing, and keep service levels high without adding complexity. It’s the backbone of our growth.”
“Working with UNI Diamonds has been an absolute pleasure. Their exceptional customer service, extensive inventory, and easy-to-use platform make finding the right options for our clients seamless and efficient. I couldn’t recommend them more highly!”
We're shaking up the diamond industry by making diamond sourcing faster, simpler, and built for today's market.
Book a Meeting at JCK
Booth #13024
Pick a time that works and we'll see you at JCK.
UNI LUXURY USA INC. 50W 47TH ST, STE #301
New York, NY, 10036
Pick a time that works and we'll see you at JCK.
We’re shaking up the diamond trade.
Come see how UNI makes sourcing simple, fast, and built for today’s challenges, from tariff uncertainty to global logistics. Whether you're buying stateside or abroad, we make it easy to find the stones you need and source with complete confidence.
We’ll be at Booth #14047, but if it’s easier, we’re happy to stop by your booth too.
Access to over 2 million stones from 450+ trusted suppliers
Powerful market insights to stay ahead
Sell more diamonds online by giving customers access to over 2 million live diamonds directly on your Shopify website.
Your website should do more than showcase your business. With the UNI Shopify Integration, customers can browse over 2 million
live diamonds directly on your website, helping you generate more online sales while creating a faster, easier buying experience.
Built for jewelry businesses that want to move fast online without needing a tech team.
Trade smarter by leveraging real-time market insights to stay ahead
We're leading a new era in diamond trading with a powerful marketplace, cutting-edge market insights, and advanced analytics that puts you in control. We're here to help you trade smarter, make strategic decisions with confidence, and stay ahead of the curve.
+ Diamonds
Suppliers
Inventory Value
Faster Inventory Turnaround
Gain real-time Natural & Lab-Grown diamond market insights, spot trends, and make informed decisions to stay ahead of the competition.
Make smarter, faster buying decisions with real-time supply and price insights. Gain access to 500+ suppliers, volume discounts, best prices and easily find the right diamonds without the usual back-and-forth hassle. Act swiftly, armed with the latest market data to confidently source the diamonds you’re looking for.
Showcase your inventory to thousands of buyers while leveraging detailed market analytics, including inventory insights, supply trends, and pricing benchmarks. Strategically price your inventory, optimize listings, and boost profitability, ensuring you always have the data edge to meet market demands.
Want to analyze a diamond?
Easily source the diamonds that are the best fit for your needs
Filter by the 4 Cs and more to quickly find the diamonds that match your needs.
Use real-time analytics to review prices and track trends.
Dive into our collection of over 2 million diamonds to find exactly what you're looking for.
Enjoy a seamless and secure buying experience. With transparent pricing, no hidden fees, easy bidding options, and a thorough QC process, purchasing your diamonds has never been easier.
Access over 2M diamonds, take diamonds on memo, and streamline your business with free shipping, easy returns, and a customizable in-store app.
Easy Integration – Plug into UNI’s live inventory and expand your online store.
Zero Risk, All Reward – More options mean more sales, no upfront costs.
High-Quality Media – Show diamonds in stunning detail with high-res images & videos.
Reach a global network of thousands of verified buyers, optimize your listings, and maximize your sales potential.
Tap into a global network of thousands of serious buyers, giving your inventory instant visibility to serious, qualified buyers and expanding your sales potential beyond traditional boundaries.
Use real-time insights to set competitive prices, avoid costly mistakes, and make informed decisions that elevate your earnings.
Track how the market evolves with detailed analytics, giving you visibility into long-term trends and buyer behavior. Use these insights to identify top-performing diamonds and refine your strategy for sustained success.
Easily upload your inventory using an API or SFTP to ensure it’s always up-to-date and ready for sale.
Use real-time market insights to set competitive prices that reflect current market conditions and ensure you maximize your margins while staying attractive to buyers.
Your listings are instantly showcased to a global network of buyers, expanding your market reach and increasing your chances of a quick sale.
With Malca-Amit’s global vault network and UNI’s market expertise, you can release capital tied up in your diamonds, trade more confidently, and grow your business, without losing the ability to sell your diamonds.
From quality control to seamless delivery, we provide everything you need for smooth and successful trading.
Ready to outperform your competitors and maximize your success?
Leave your details and book a demo!
Strengthen your brand with a smoother, more polished way to present diamonds and communicate with customers.
Show memo-ready diamonds under your own brand without purchasing inventory upfront.
Show diamonds instantly without needing to leave the conversation or pull inventory from the case.
Keep diamond conversations organized in one place while seamlessly integrating with your CRM.
Send post-meeting summaries with the diamonds, shapes, and sizes discussed to stay top of mind.
Help customers understand the 4Cs in a more guided and approachable way.
Accedi a diamanti live da fornitori affidabili, tutti disponibili e pronti per l'acquisto. Senza ordine minimo, hai la flessibilità di acquistare esattamente ciò che cerchi, che tu stia acquistando un diamante o molti.
Elimina i ritardi trovando rapidamente i diamanti di cui hai bisogno, senza il solito continuo scambio con più fornitori. Con UNI puoi gestire il processo di acquisto in un unico posto.
Ottieni maggiore precisione con il nostro processo di QC fisico. Su richiesta, ogni diamante viene controllato per qualità e autenticità, per garantire che rispetti i tuoi standard a ogni acquisto.
Ottieni i migliori prezzi cash e approfitta di opportunità di acquisto che ti aiutano a risparmiare di più a ogni acquisto.
Sfrutta insights in tempo reale per prendere decisioni di acquisto più intelligenti, con gli ultimi dati di mercato sempre a portata di mano.
Approfitta della consegna gratuita con Malca-Amit per un'esperienza di acquisto più fluida, con gestione sicura e una logistica affidabile pensata per il commercio dei diamanti.
Gain access to over 2M diamonds from 450+ verified suppliers, all live and ready for purchase. With no minimum order, you can buy exactly what you need, whether it’s one diamond or many.
Eliminate delays by quickly sourcing the diamonds you need without the usual back-and-forth with multiple suppliers. Keep your buying process in one place.
Trade diamonds risk-free with memo options. Get diamonds delivered next day and show them to your customers without needing to hold extra stock.
Track price direction, supply shifts, and demand signals in real time, including U.S. inventory insights and tariff impact, plus Lab-Grown price movement.
Guarantee precision with physical QC options. Upon request, diamonds can be checked to your requirements, so they meet your exact standards.
Work with a dedicated account manager who helps you move faster and keeps orders running smoothly.
See how to source from 85 US-based suppliers and avoid tariff complications
Discover how UNI simplifies sourcing, selling, and delivery
Learn how UNI Data keeps you ahead of market shifts
Discover how Malca-Amit simplifies shipping with secure, consolidated delivery
Ready to outperform your competitors and maximize your success?
580 5th Ave Lobby 1, New York, NY 10036, USA
Ready to outperform your competitors and maximize your success?
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