Our Services
The right strategy, the right buyers, stronger competition
In today’s challenging diamond market, achieving the best possible sales outcome requires more than access to buyers. It demands informed strategy, deep product knowledge, efficient execution and the flexibility to respond to changing market conditions.
Diamond Tenders & Auctions
Koin International delivers tailored tender and auction solutions designed to connect rough diamond producers and suppliers with the right buyers, stimulate meaningful competition and optimise sales performance.
Combining decades of diamond industry expertise with proprietary technology and advanced market intelligence, we develop sales strategies around the specific characteristics of each production. From assortment planning and buyer targeting to execution and reporting, our approach focuses on creating competitive sales environments that support informed decisions and maximise value opportunities.
- Sealed-Bid Tenders
Structured, competitive sealed-bid sales designed to encourage broad buyer participation, independent valuations and transparent price discovery.
- Diamond Auctions
SMRA Auctions enable buyers to compete across multiple lots through successive bidding rounds, with progressive price discovery and opportunities for suppliers to assess market demand as bidding develops.
+2,000
Pre-qualified Buyers
+200
Sales Conducted
TENS OF MILLIONS
Carats Tendered
GLOBAL ACCESS
To key manufacturing markets
Trusted. Recognised. Connected.
Koin International is a top-tier member of the Dubai Diamond Exchange (DDE) and works in close collaboration with key industry bodies to support transparency, best practice and responsible trade.
Industry Memberships & Affiliations:
DUBAI DIAMOND EXCHANGE
Member of the DDE since 2015
DDE Tender Best Practice Forum
Initiator and founder member of the DDE Tender Best Practice Forum, a world-first initiative established to advance industry best practice for rough and polished diamond tenders.
iTraceit
Member of iTraceiT, a highly secure traceability solution that combines AI and blockchain to track diamonds and other products at all stages in the product supply chain.
COMEBREHENSIVE SERVICES, SEAMLESS EXECUTIION
From initial production assessment and assortment planning through to buyer engagement, sales execution and post-sale reporting, Koin provides a comprehensive suite of services designed around the commercial objectives of each supplier.
Our experienced team manages the operational complexity of diamond sales, combining specialist product knowledge, secure processes and efficient workflows to ensure every stage is carefully coordinated.
Production & Valuation
Assortment planning, valuation, lot preparation and specialist services tailored to your production.
Buyer Engagement
Targeted marketing, buyer qualification, appointment management and streamlined viewings.
Secure Sales Execution
Lot tracking, tender and auction management, security, logistics and settlement coordination.
Market Intelligence
Viewing analytics, bid performance and detailed reporting to support informed decision-making.
Smarter Viewing. Greater Opportunity.
Our RFID Lot Tracking Management System (LTMS) significantly improves the viewing experience, reducing average buyer viewing time per appointment by over two hours, while increasing lot access and strengthening security controls.
Our core expertise lies in rough natural diamonds, working across the full spectrum of production types, sizes and qualities. We support suppliers ranging from large-scale mining operations to smaller and artisanal producers, with flexible sales solutions tailored to their individual requirements.
Rough Natural Diamonds
All qualities, sizes and assortments, from run-of-mine (ROM), melee and smalls to large single stones, fancy colours and exceptional diamonds.
Polished Diamonds
Select sales conducted where appropriate as part of a tailored or integrated sales strategy.
Market Intelligence That Delivers Value
Our proprietary systems capture detailed viewing activity, buyer engagement and bidding performance, providing valuable insight into how different categories and individual parcels are received by the market.
By analysing the relationship between viewing interest, competitive bidding and price performance, we help suppliers identify emerging demand patterns, evaluate sales outcomes and refine future sales strategies.
Our market intelligence capabilities include:
• Viewing analytics
• Bid performance
• Category insights
• Post-sale reporting
• Strategic advice
Services
We are a full service international tender house with a comprehensive suite of services available to buyers and suppliers.
- Coordination of all shipments, whether import or export, in line with KP and customs processes
- Deep boiling
- Lot preparation including labelling, QR codes and RFID tagging, as well as further risk management, security and viewing procedures
- Assortments and evaluation:
- Preparing of mining productions into assortments as per mine production and buyer/manufacturer demand, to ensure maximum price gains
- Valuation services based on historical data, latest industry movements, and current market behaviours
- Galaxy scanning
- Marketing and branding of productions
- Profiling and pre-vetting of buyers
- Appointment management
- Hosting and managing tender events (single or multiple locations)
- Provision of analysis and reports
- Invoicing
- Collecting and disbursement of monies
- Various supply options available, including pre-finance, purchase, partnerships (exceptional stones) and/or direct supply to tender
- Rough, polished, and lab-grown tender/auction sales
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Contact
Phone
+ (971) 58 561 0203
Address
43A Almas Tower
JLT, Dubai, UAE