KGK One
Princess-cut lab-grown diamond

Lab-Grown Diamonds Built for Modern Trade

Diamonds manufactured through modern technology meet the legacy of century-old craftsmanship.

Showing 1–12 of 22894 stones

Sort
Lab grown diamond879514

Round · 32.37 ct

G | VS2 | EX | EX | EX | N

Lab grown diamond893018

Round · 22.54 ct

E | VVS1 | I | EX | EX | N

Lab grown diamond809626

Asscher · 21.43 ct

E | VVS2 | EX | EX | N

Lab grown diamond916910

Round · 21.03 ct

F | VVS2 | EX | EX | N

Lab grown diamond814741

Round · 20.48 ct

E | VS1 | I | EX | EX | N

Lab grown diamond809629

Radiant · 20.10 ct

E | VS1 | EX | EX | N

Lab grown diamond809627

Round · 20.08 ct

E | VS1 | EX | EX | N

Lab grown diamond908831

Round · 20.06 ct

G | VVS2 | EX | EX | N

Lab grown diamond860921

Round · 20.05 ct

E | VVS2 | EX | EX | N

Lab grown diamond878506

Oval · 20.04 ct

E | VS1 | EX | EX | N

Lab grown diamond859306

Round · 20.03 ct

G | VS1 | I | EX | EX | N

Lab grown diamond917266

Emerald · 19.97 ct

G | VS1 | EX | EX | N

KGK One reception with the KGK ONE wordmark on the wall

All Your Needs, Handled by One Trusted Partner.

The most successful businesses are built on a foundation of reliable supply, institutional expertise, and a partner who understands every part of the trade as well as you do.

KGK One is built to deliver exactly that. One fully integrated partner across every category your business needs, backed by 120 years of expertise and operations across 15 countries. The supply chain infrastructure your business has been looking for.

Contact Us

Dedicated Sales Team

Your own trade specialist, ready when you need them.

Global Distribution

A global network built to deliver wherever your business operates.

Traceability & Ethics

Responsible sourcing and full transparency across every category.