A close view of the craft at the heart of NIRU's story
Spreading happiness since 1979

Our Journey

From a single diamond workshop to an integrated manufacturing group, NIRU's journey has been defined by the continuous development of in-house expertise, craftsmanship, and control.

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The story so far

A Family Legacy Built Step by Step

Founded in 1979 as a family company focused on the search for exceptional rough stones, NIRU has evolved through decades of craftsmanship and expertise. One capability at a time, design, cutting, setting, and finishing were brought in-house, creating an integrated manufacturing structure guided by a single purpose: spreading happiness.

Ranjeet Barmecha, who founded NIRU in 1979

The beginning

1979

NIRU is founded

NIRU is founded by Ranjeet Barmecha, a rough diamond trader in Israel.

Early diamond cutting at NIRU

A first in cutting

1982

Engineering the cut

Development of a unique laser technology for diamond cutting.

Baguette-cut diamonds

Precision cuts

1991

The baguette

NIRU starts polishing rough diamonds into baguettes in Sri Lanka.

Rakesh Barmecha, President of NIRU

Second generation

1996

The next generation

Rakesh Barmecha, son of Ranjeet and President today, joins NIRU.

NIRU's Hong Kong office

Reaching east

2002

Hong Kong

Establishment of the Hong Kong office.

NIRU in New York

Reaching west

2003

New York

Establishment of the New York office.

Calibrated precision-cut diamonds

The hardest cuts

2006

Precision cut

Establishment of precision cut diamonds for watch and jewellery brands.

Precision metal components at the Geneva facility

Beyond the stone

2009

NIRU Swiss

Establishment of NIRU Swiss, CNC manufacturing of metal components.

Rough diamonds laid out in rows on the sorting table

A recognised supply

2011

Sightholder

NIRU becomes a De Beers Sightholder.

A round brilliant diamond held in the tang jaws

A wider offer

2012

The round cut

Establishment of the round cut diamonds department.

A handshake closing an agreement

Coming together

2019

Shared expertise

EZ Diamonds and Voegeli & Wirz merge into NIRU.

The NIRU facility at Plan-les-Ouates, Geneva

The Swiss house

2021

Switzerland

Rakesh relocates to Switzerland to strengthen NIRU's connection with Europe's watch and jewellery industry.

Colored stones at the Bangkok facility

Colour

2022

NIRU Gems Bangkok

Establishment of NIRU Gems Bangkok, NIRU's entrance into the colored stone business.

Finishing a piece at the Geneva facility

The full circle

2023

Watch and jewellery making

NIRU Swiss develops its watch and jewellery making. NIRU publishes its first ESG Report and establishes the Paris Place Vendôme office.

NIRU colleagues together at the facility

Growing further

2025

Sri Lanka, and a recognition

NIRU expands in Sri Lanka and is recognised among the top 100 best places to work in Asia.

A name, a purpose

NIRU takes its name from Nirmala, the founder's wife, a constant reminder of the values that have guided the company since 1979: kindness, excellence, and sustainable growth.

Each new chapter builds on the same foundation, adding new capabilities while staying true to one enduring purpose: Spreading Happiness.

A NIRU colleague smiling with the team at the Geneva office

The human side

Our People

The faces, the skill, and the culture behind every piece.

Explore Our People
The NIRU headquarters in Geneva

Active worldwide

Our Presence

A group active worldwide, from Geneva to Sri Lanka and beyond.

Explore Our Presence

One group,
a world of expertise.

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One contact for the entire group. Your enquiry will be directed to the right team.