TOL-0007available
Green-Blue Crystal Opal Oval — 0.825 ct
Exact-stone photographs, measurements, and condition disclosures.
The Opal Ledger · Australian Opal
Australian opal, documented stone by stone.
A focused collection of Australian opals for collectors and bench jewelers. Exact stones shown with measurement evidence, condition notes, lighting, and clearly qualified seller declarations.
Exact stones. Clear evidence. Disclosures intact.
The standard
Documentation before adjectives.
- 01
Exact stone shown
Listing media and the permanent Ledger ID must refer to the same physical stone.
- 02
Measurements before adjectives
Weight and dimensions establish the record before descriptive language.
- 03
Treatment and construction disclosed
Known treatment and composite status are stated plainly; unknowns are not promoted.
- 04
Origin matched to evidence
Every origin statement carries the level of evidence that supports it.
The collection
Explore the stone records
Review exact-stone media, measurements, and disclosures. Each record shows its current marketplace status.
TOL-0017available
Two-Tone Freeform Opal — 5.95 ct
Exact-stone photographs, measurements, and condition disclosures.
TOL-0010available
Yellow-Green Light Opal Triangle — 1.62 ct
Exact-stone photographs, measurements, and condition disclosures.
For collectors
A record that stays with the stone.
Permanent Ledger IDs and consistent disclosures make it easier to compare individual stones without relying on superlatives.
For bench jewelers
Details that support design decisions.
Measurement evidence, profile, directionality, condition, and media help inform setting conversations without guaranteeing suitability.
Buyer education
Understand the record before choosing the stone.
Our Opal Guide and Journal cover construction, videos, provenance, measurements, care, and price comparisons. Technical background links to primary references; individual stone records state what remains unverified.