Trade & Wholesale
Your Reliable Gemstone
Supply Partner in Sri Lanka
We supply certified natural Ceylon gemstones to jewellers, manufacturers, and retailers worldwide. Calibrated parcels, matched sets, or individual certified stones — sourced directly and exported with full documentation.
From Our Calibrated Inventory
What We Offer
Trade Services
Calibrated Parcels
Consistent colour-matched sapphires and rubies in standard calibrated sizes, ready for production setting. Available in heated and unheated grades.
Matched Pairs & Sets
Precisely matched stones for earrings, suites, and multi-stone designs. We source from the same rough or deposit for optimal colour consistency.
Certified Loose Stones
Individual GIA or GRS certified gemstones for high-value custom pieces. Full documentation including origin, treatment status, and measurements.
Regular Supply Arrangements
Ongoing supply relationships with consistent quality, priority access to new material, and trade pricing for repeat orders.
Custom Cutting
Specific cuts, dimensions, and proportions to your requirements. Our cutting network handles precision calibration for manufacturing specifications.
Stone Selection Visits
Arrange to view and select stones in Sri Lanka. We facilitate visits to our offices and, where possible, to sourcing locations.
What We Supply
Available Gemstones
Sri Lanka produces over 75 varieties of gemstone. These are the species we most commonly supply to trade buyers.
Blue Sapphire
Heated & unheated, 0.5–50ct
Padparadscha
Unheated only, extremely limited
Ruby
Heated & unheated, Mozambique & Ceylon
Yellow Sapphire
Heated & unheated, excellent availability
Pink Sapphire
Natural pink, various saturations
White Sapphire
Eye-clean, diamond alternatives
Alexandrite
Strong colour change, very rare
Spinel
Various colours, rising demand
Our Process
How We Work
with Trade Buyers
A straightforward process designed for professional buyers who need reliability, consistency, and full documentation.
Export & shipping details →Discuss Requirements
Tell us what you need — species, sizes, colour range, quantities, budget, and timeline. We assess availability and provide a realistic quote.
Source & Select
We source from our existing inventory and Sri Lanka's gem network. Every stone is assessed against your specifications before shortlisting.
Review & Approve
We send high-resolution photographs, measurements, and — where applicable — laboratory reports. You approve before we proceed.
Certify & Document
GIA or GRS certification arranged for stones that require it. Full export documentation prepared for international shipment.
Secure Delivery
Insured worldwide shipping with tracking. Customs documentation included. Stones arrive safely, anywhere in the world.
Why Serendib
Why Trade Buyers Choose Us
Direct Source Access
We source directly from Sri Lanka's gem fields and cutting centres. No intermediary chain — better prices, better traceability.
Consistent Quality
Established grading standards applied to every stone. Trade buyers receive consistent quality across orders, regardless of size.
Full Certification
GIA and GRS certification available for every stone. Origin reports, treatment disclosure, and measurements documented.
Export Experience
Years of international shipping experience. We handle documentation, insurance, and customs requirements for smooth delivery.
Flexible Arrangements
From single certified stones to regular supply agreements. We adapt to your purchasing cycle and production schedule.
Transparent Communication
Direct contact with our founders. Responsive communication, honest availability updates, and no pressure sales.
Start a Trade Relationship
Discuss Your Requirements
Tell us what you need — stone types, quantities, specifications, and timeline. Every trade enquiry receives a personal response from our founders.
Contact Our Trade Team