A standard
of AIDI

Brands · Record · Trust Index 2026-09

Birks Group

gdcs.ai / valuerules v4 · frozen
Shape
1.00 ct
Colour
Clarity
Cut
01 · The stone at market—
02 · Proof—
03 · GDCS value—

Lab-grown · loose · GIA or IGI graded · prices 2026-10-02 · index 2026-09 · sha 9e844fb0

Birks Group

Canada

Under review · Trust Index 2026-09

What you say, and who has checked it

  • Carbon & energyNothing found
  • Water & chemicalsNothing found
  • People & labourYour own report
  • Where it comes fromYour own report
  • Reuse & recyclingNothing found
  • Certificates & reportsChecked by someone independent
  • NatureYour own report
Checked by someone independentYour own reportNothing found

What this record supports today

RetailersA retailer can point to this record when it needs evidence behind a sustainability edit.

Money that moves with your targets

25,000 – 250,000a year, per 100 million borrowed

We found no borrowing tied to sustainability targets in your public documents. This is the rate the market uses when a loan or bond is tied to them.

On a diamond

+ 0%

Your record is under review this month. Nothing is added while a review is open. A stone is valued at its market price.

See how it is calculated
01  record    under review this month · nothing is added while a review is open
02  premium   +0%

The rule and its sources

Every line comes from a public document, archived with its date. We do not grade stones, and we do not tell you what to do.Every claim and its source

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No brand can pay to change a result.