Tag

certification

4 articles

Ethics & Sourcing·May 5, 2026·10 min read

Ethical Gemstone Certifications: Which Ones Matter?

Most ethical gemstone certifications were built for diamonds and large industrial mines, not Sri Lankan sapphires. Here is what each one actually covers, and what to ask a dealer when no scheme fits.

Buying Guides·April 4, 2026·9 min read

How to Read a GIA Sapphire Certificate (With Examples)

A GIA sapphire report confirms what a stone is, how it has been treated, and in many cases where it came from. Here is a field-by-field walkthrough, plus the red flags to watch for when a report arrives with a stone.

Buying Guides·March 7, 2026·10 min read

Unheated vs Heat-Treated Sapphire: Real Difference (2026)

Heat treatment is the single biggest price lever in the sapphire market. Here is exactly what it does to the stone, and when paying the unheated premium is worth it.

Buying Guides·February 14, 2026·8 min read

How to Tell if a Ceylon Sapphire Is Real (2026)

Visual checks can point you in the right direction, but the only reliable proof that a sapphire is from Ceylon is a laboratory report. Here is what to look for before you spend.

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