A standard
of AIDI

Brands · Record · Trust Index 2026-09

4°C

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

4°C

Japan

Gold · Trust Index 2026-09

What you say, and who has checked it

  • Carbon & energyYour own report
  • Water & chemicalsNothing found
  • People & labourYour own report
  • Where it comes fromChecked by someone independent
  • Reuse & recyclingNothing found
  • Certificates & reportsChecked by someone independent
  • NatureNothing found
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%

None of your product facts has been checked by someone independent yet. A stone is valued at its market price.

See how it is calculated
01  areas     2 of 7 checked by someone independent
02  share     0.25 of the record, at the index's own weights [30, 15, 15, 15, 10, 10, 5]
03  product   no product fact independently confirmed · nothing is added
04  premium   9.7% (PwC 2024) x 0.00 = +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

Something missing or wrong? Send us the evidence.

Write to us

No brand can pay to change a result.