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The World’s Diamond Registry

Practical guides on registering, provenance, and protecting your diamond.

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Lily Collins Lost Engagement Ring

OWNIA Case File: Lily Collins

Grace Kelly Diamond Ring

Power of Provenance: Registered Diamonds Tell a Story

how to find the ring size using a ring mandrel

Find Your Partner’s Perfect Ring Size Without Them Knowing

5 Essential Steps to Secure Your Family Heirlooms

5 Essential Steps to Secure Your Family Heirlooms

Diamond Registration: What You Need to Know

Diamond Registration: What You Need to Know

Why Provenance Matters at Auction

How to Protect Your Diamond from Loss or Theft

How to Protect Your Diamond from Loss or Theft

How Diamond Certificates Help Prevent Fraud

How Diamond Certificates Help Prevent Fraud

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