One Trusted Partner for Natural & Lab Grown Diamonds
From the earth's natural treasures to precision-grown brilliance, carved through exceptional craftsmanship.
Natural Diamonds That Come with Complete Provenance
KGK is a certified De Beers Sightholder with a global presence in 15+ countries and a live inventory of 50,000 stones. From sourcing to polishing, everything handled under one roof and traceable from mine to market.
Lab-Grown Diamonds Carved to the Highest Standard
KGK's lab-grown inventory is certified, traceable, and backed by the same manufacturing infrastructure that has served the diamond trade since 1905.
Every Diamond Traced From Mine to Market
KGK's supply chain spans the full length of the diamond trade. At each stage from mining to distribution, the company maintains complete documentation of every stone it handles. This level of traceability reflects how KGK has chosen to operate since its founding in 1905, and it remains the standard against which every supply decision is made today.
Traceability Programs Offered
GIA Source Verification Service (SVS)
GIA, a trusted gem institute, verifies the reported source country of polished diamonds using existing documents and audits participating manufacturers. This program boosts consumer confidence by adding a layer of verification. It relies on documentation accuracy. GIA SVS is a valuable step towards a more transparent diamond industry.
DB Origin & Origin Story by De Beers
Origin Story is an extension of De Beers' broader Origin suite, which combines diamond traceability from source (powered by TRACR) with information about the diamond's impact on people and the planet. De Beers Origin Story goes beyond just providing basic traceability data. It aims to create a more engaging experience for retailers and ultimately, consumers.
Sarine Diamond Journey
At the mine, rough diamonds are registered using AutoScan™ Plus capturing their unique characteristics. In cutting and polishing stages, ownership and location information are updated within the Diamond Journey program. The diamond's journey continues to be tracked as it travels through wholesalers and retailers.
Everledger
Everledger uses blockchain technology to create a traceability program for diamonds, aiming to bring transparency & trust to the diamond industry. The program tracks a diamond's journey from mine to consumer, recording details like origin, characteristics, & ownership history on a secure blockchain ledger that creates an immutable record of the diamond's journey.
Tracr by De Beers
TRACR is a leading traceability platform developed by De Beers Group. It utilizes a combination of technologies like blockchain, artificial intelligence, and the Internet of Things (IoT) to track a diamond's journey from mine to market.
