100% screened by NIRU Laboratories

Naturality

Formed by the Earth, finished by hand.

NIRU Labs
Bangkok · Sri Lanka · Israel
Verification
100% screened in our internal laboratory
Equipment
Screening Machines Tested by Assure Program

Made by time

Naturality

Formed over billions of years. Crystallized under deep pressure.

How we verify

Naturality Verification.

In NIRU laboratories, certified gemmologists verify each stone using advanced gemmological instruments.

Loose round brilliant diamonds spread for selection

Diamonds

  • Screened for natural origin
  • Assure Program equipment
  • Controlled by staff trained by GGTL
  • Checked before packing, then sealed
Explore Diamonds
Split composition of orange and blue colored stones: faceted round sapphires next to rough sapphire crystals

Colored Stones

  • Verify natural origin
  • Identify species and variety
  • Detect treatments
  • Assess geographic origin
Explore Colored Stones
NIRU gemmologist examining a parcel of stones under a stereo microscope in an in-house screening laboratory

Screened in-house

NIRU Laboratories

Three laboratories under NIRU supervision: Bangkok for colored stones, Sri Lanka and Israel for diamonds.

A hand pouring diamonds into a De Beers AMS2 screening instrument in a NIRU laboratory

Verification tools

Screening Equipment

All NIRU screening machines are tested by the Assure Program:

Diamonds

DFI (GGTL), AMS Micro (IIDGR), AMS2 (IIDGR), ID100 (GIA)

Colored Stones

UV-Vis-NIR, FTIR, Raman, Photoluminescence (PL)

Continue exploring
stones.

Diamonds and colored stones.

01 Polished diamonds arranged on a neutral ground Diamonds From melee to fancy shapes, cut in Sri Lanka. 02 Colored gemstones laid in a rainbow gradient Colored Stones Sapphire, ruby and emerald, polished in Bangkok.

One group,
a world of expertise.

Open a conversation

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

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