Natural Diamond Certification

IDT Natural Diamond Certification

Natural diamonds are valuable assets that deserve accurate identification and professional documentation. IDT Gemological Laboratories Worldwide offers Natural Diamond Certification services for loose diamonds and diamond jewellery through scientific evaluation and advanced screening technologies. Our reports help consumers, jewellers, manufacturers, and retailers understand the characteristics and origin of the diamonds they own or intend to purchase. Whether you require a comprehensive grading report or a quick origin confirmation, IDT provides certification solutions designed to bring clarity and confidence to every transaction.

IDT Natural Diamond Certification Services

Scientific verification and grading for natural diamonds — loose or studded.

Diamond Grading Report

A complete and independent assessment of a loose natural diamond.

The report documents the diamond's key quality characteristics and identifying features using internationally recognised grading practices.

Report Features

  • Shape and cutting style

  • Measurements

  • Carat weight

  • Colour grade

  • Clarity grade

  • Cut grade (where applicable)

  • Polish and symmetry

  • Fluorescence

  • Proportion analysis

  • Clarity plotting diagram

  • High resolution imaging

  • QR based digital verification

This report is ideal for consumers purchasing loose diamonds, insurance documentation, resale purposes, and inventory management.

Natural Diamond Certification

Studded Jewellery Analysis

A certification service designed for jewellery set with natural diamonds.

Mounted diamonds cannot always be graded in the same manner as loose stones. This report evaluates the visible characteristics of the diamonds while confirming their natural origin.

Report Features

  • Jewellery description

  • Metal details

  • Total natural diamond weight

  • Diamond shape information

  • Colour range assessment

  • Clarity range assessment

  • Natural origin screening

  • High resolution jewellery images

  • QR based digital verification

Suitable for rings, earrings, pendants, necklaces, bracelets, and other diamond studded jewellery.

Natural Diamond Certification

Uncut Diamond Jewellery Report

Certification for jewellery featuring rough or uncut natural diamonds.

The report documents the distinctive characteristics of uncut diamonds using specialised examination techniques appropriate for their natural crystal structure.

Report Features

  • Jewellery description

  • Crystal morphology observations

  • Transparency assessment

  • Estimated weight and size in mounted condition

  • Natural origin analysis

  • High resolution jewellery images

  • QR based digital verification

Ideal for jewellery collections incorporating uncut or rough natural diamonds.

Natural Diamond Certification

Screening Report

The IDT Screening Report confirms whether a submitted diamond is a Natural Diamond.

Using advanced screening and spectroscopic technologies, the report verifies natural origin without providing a complete grading assessment.

Report Features

  • Confirmation of natural diamond identity

  • Shape details

  • Estimated weight for mounted pieces

  • Item description

  • High resolution imaging

  • QR based digital verification

This certificate is suitable for quick and reliable origin verification for both trade and retail purposes.

Natural Diamond Certification

Why Choose IDT Natural Diamond Certification?

  • Independent laboratory assessment

  • Advanced natural diamond screening technology

  • Experienced gemological professionals

  • QR enabled digital report verification

  • Certification solutions for loose diamonds and jewellery

  • Greater transparency and confidence in diamond transactions

Natural diamonds often commemorate important milestones and are treasured for generations. Independent certification helps ensure that these diamonds are accurately identified and professionally documented. Through scientific evaluation and detailed reporting, IDT Natural Diamond Certification provides reliable information about a diamond’s characteristics and natural origin, helping consumers and industry professionals make informed decisions with greater confidence and transparency.