For the complete documentation index, see llms.txt. This page is also available as Markdown.

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

Behind the Scenes — Our gemologist carefully inspecting a rough diamond consignment for quality and authenticity

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.

Gem-Grade Rough Diamond Specifications — Size, color, and clarity standards for the high-quality stones used to create eDiamonds

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.