eDiamond Supply Chain
KimberLite sources only high-quality rough diamonds through our sister company, BSR Global, ensuring a reliable, transparent, and ethical supply chain for every eDiamond created.
About BSR Global
BSR Global is a leading rough diamond exporter with over 15 years of experience in secure and ethical logistics. The company bridges traditional diamond markets with modern technology through:
Provides in-country teams staffed by ex-British Special Forces for end-to-end security
Maintains dedicated Gemologists and an extensive African supplier network
Operates a state-of-the-art Gemology lab in New York’s World Diamond Tower
Secures Lloyd’s of London insurance coverage for all shipments
Ensures full compliance with Kimberley Process standards and export regulations
Common ownership with KimberLite ensures seamless integration between physical diamond expertise and blockchain innovation.
Sorting & Grading Process
BSR Global’s experts inspect and verify every rough diamond in-country before export. This rigorous process includes:
Size separation using calibrated sieves and precise weighing
Shape classification to assess cutting potential
Color and clarity evaluation under controlled lighting and magnification
UV fluorescence testing to verify authenticity and detect treatments
Securing Kimberley Process Certificates (KPC) and export approvals
Dive Inside the Gemology Process: Step by Step
Curated Gem-Grade Diamonds
We focus exclusively on Gem-Grade rough diamonds — premium stones with exceptional potential to yield high-value polished gems.
These carefully selected diamonds represent the top tier of natural rough supply and are chosen for their superior characteristics and strong appreciation potential.
Clarity: VVS1 to VS2 range (very few inclusions, excellent transparency)
Color: D to H range (colorless to near-colorless, highly desirable)
Size: Primarily 5+ carats, with select stones reaching 30+ carats
Cut Potential: Stones with high symmetry and strong light performance
Rarity: Includes Fancy Colored and Flawless-grade stones when available
These high-quality stones are offered through KimberMarket, with the most exceptional pieces available via live auctions.

Natural vs Lab-Grown Diamonds
While lab-grown diamonds have increased their market share (now representing roughly 20% of global diamond supply), they are predominantly small stones under 3 carats and are produced in high volumes.
In contrast, large natural rough diamonds (especially 5+ carats) remain relatively scarce and highly sought after by collectors and investors.
Natural diamonds offer unique geological history, rarity, and long-term value appreciation that lab-grown stones typically cannot match. KimberLite deliberately focuses on these natural gem-grade rough diamonds to provide investors with authentic, scarce assets that have historically demonstrated strong price growth over time.