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 25549 stones

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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 diamond920481

Emerald · 20.82 ct

F | VS2 | EX | EX | N

Lab grown diamond893017

Round · 20.78 ct

E | VVS2 | I | EX | EX | N

Lab grown diamond920479

Pear · 20.12 ct

F | VS2 | EX | EX | N

Lab grown diamond920129

Emerald · 20.09 ct

G | VS1 | EX | EX | N

Lab grown diamond809627

Cushion · 20.08 ct

E | VS1 | EX | EX | N

Lab grown diamond921506

Emerald · 20.08 ct

G | VVS2 | EX | EX | N

Lab grown diamond922262

Heart · 20.08 ct

PINK | VS1 | EX | EX | S

Lab grown diamond918078

Oval · 20.08 ct

PINK | VS1 | EX | EX | S

Lab grown diamond908831

Round · 20.06 ct

G | VVS2 | 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.

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Dedicated Sales Team

Your own trade specialist, ready when you need them.

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A global network built to deliver wherever your business operates.

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Responsible sourcing and full transparency across every category.