KGK One
Model wearing a diamond necklace

A Complete Fine Jewelry Range for Modern Trade

From simple to fashion statement collections, design ranges built to suit every customer.

Blue sapphire and diamond rings

A Jewelry Range Built on a Century of Craft

KGK One's jewelry collections are the product of in-house design teams, seven manufacturing plants, and over 120 years of working with the finest diamonds and gemstones in the trade. From simple fine jewelry your customers reach for every day to fashion-forward pieces that anchor your statement collections, every design is finished to a standard your retail floor can stand behind. One supplier, one quality benchmark, across every category your business needs.

Built to Dazzle

Exclusive solitaire stud earrings

Exclusive Solitaire Stud

Diamond tennis bracelet

Tennis Bracelet

Solitaire diamond necklace

Solitaire Necklace

Eternity hoop earrings

Eternity Hoop

Our exquisite collection

A companion for every occasion.

Model wearing an exclusive diamond and ruby set
Diamond wedding rings on a red displayGold and emerald jewelry on driftwood

The KGK One Promise

35,000+ Active Buyers

Trusted by over 35,000 trade buyers across 20+ countries.

1M+ Pieces Manufactured

Over a million pieces crafted across our global ateliers every year.

Ethical Sourcing

Every stone responsibly sourced and fully traceable from mine to market.

Quality Craftsmanship

One supplier, one quality benchmark, across every category your business needs.

RJC Compliant

Certified by the Responsible Jewellery Council across every operation.

BPP Compliant

Audited and fully compliant with De Beers Best Practice Principles.

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.

Global Distribution

A global network built to deliver wherever your business operates.

Traceability & Ethics

Responsible sourcing and full transparency across every category.