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100% Natural · Never lab-grown · Never synthetic
Real stones, from real places.
Loose gemstones from 25+ countries, hand-graded since 1995. Treatment disclosed on every listing — without exception.
Members: early access + Atlas certification card
- Free insured shipping over $250
- 30-day inspection on every order
- AGTA member · Hand-graded since 1995
- Treatment disclosed on every listing
01 · 01 · In the catalog now
New this issue, hand-picked.
As covered in
Press, trade journals, and shows.
Print & web · 2025–26
"One of the most disciplined origin programs on the colored-stone market."
"Treatments disclosed without exception. The standard others should follow."
"A model for transparency in the parcel trade."
"A house for stones, not for stories about stones."
"Hand-graded inventory with rigorous provenance."
02 · This week
Sugilite from the Wessels Mine — one of one.
- Stones12
- Origins6
- Sizes3.5–25 mm
- Price$185
04 · 07 · Subscribe
A new stone, every month.
For collectors and jewelers who want a small, considered collection — built one stone at a time. Three tiers. Skip any month, swap any stone, cancel any dispatch.
Pocket
$28/mo /monthIncludes, each month
- Hand-graded stone
- Field card
- Insured shipping
- Curator's pick
Cabinet
$68/mo /monthIncludes, each month
- Hand-graded stone
- Field card
- Insured shipping
Collector
$148/mo /monthIncludes, each month
- Hand-graded stone
- Field card
- Insured shipping
Every member also gets — on top of the monthly stone
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Skip · swap · cancel
Skip any month, swap any stone, cancel any dispatch. Members are in control.
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30-day inspection
Hold every stone in your own light. Return it free, no questions, no restocking fee.
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Stone Atlas certification
Every dispatch ships with our in-house certification card — origin, treatment, grade, signed.
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Early access
Members see new arrivals 48 hours before they're listed publicly.
05 · 05 · Editorial
What we've been writing.
Updated monthly
Field report - 142
Three days in Teofilo Otoni.
We followed a single tourmaline from the cooperative miner to the cutter.
SSam - Atlas desk
Edit - 088
Cabochons, weighed.
Why grams matter more than carats when setting working stones.
MMara
Essay - 011
Before the bell, in February.
Forty hours in the lots between AGTA and the convention floor.
JJohn, founder
Edit - 087
On treated stones.
What we'll sell, what we won't, and why we say it on every listing.
SSam