Everything we wish
buyers asked us.
Six guides written by the atelier itself — what grades mean, which treatments are normal, why origin matters for some stones and not others, how to read a certificate, and how to care for the piece for fifty years.
01Knowledge · 6 min read
Clarity & grading, explained
What the letters on your certificate actually mean.
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02Knowledge · 7 min read
Treatments: what is normal, what is not
Heat, oil, irradiation, filling — disclosed.
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03Sourcing · 8 min read
Origins: where gemstones come from
Why Kashmir, Mogok, and Colombia carry such weight.
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04Buying · 7 min read
A buyer's guide to evaluating a gemstone
The four Cs, adapted for coloured stones.
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05Care · 5 min read
Care & maintenance
What to do, what to never do.
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06Sourcing · 6 min read
Reports & certifications, decoded
GIA, IGI, SSEF, Gübelin — what each is worth.
Read the guideA working library