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Notes from the showroom floor and the markets we watch — appraisal cases, market reports, and the pieces worth paying attention to.
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Appraisal Case Studies
No Box, No Papers, a Natural Diamond: Why We Still Could Not Call It Genuine
Appraisal Case Studies
We Open the Case Back First: How We Spot a Fake Passed Off as Genuine
Appraisal Case Studies
Spotting a Fake Boucheron Quatre Classic Diamond Ring
Appraisal Case Studies
How Much Gold Does Polishing Really Remove? We Weighed It
Appraisal Case Studies
Spotting a Fake Bulgari Divas' Dream Necklace
Boutique Notes
Local Artists at the Cartier Maison
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Appraisal Case Studies
Real appraisal cases from pieces that come through our Seoul showroom — what we look for, what we find, and what it means for buyers and sellers.
Global Report
Notes from the secondhand luxury markets we visit in person — how jewelry and watches trade differently in Tokyo, China, and beyond.
New & Trending
Our take on new releases from the major maisons — what's new, what's worth attention, and what it's worth on the resale market.
Celebrity Style
Which celebrities and public figures have been seen wearing which pieces — and where to find something similar.
Boutique Notes
Stories from maison boutiques in Korea — the events they host, the tableware they serve guests, and how their interior design compares to stores in other countries.
Customer Reviews
What our clients say about buying, selling, and working with ONE OF ONE.