Notes & stories

The School of Fine Jewelry

lessons in antique & vintage jewelry

Instant results as you type, from titles and topics. Try moonstone, rose cut or hallmarks.

Three baby blue spinel rings in 18K gold, made 1920-1950
AUG 2026 · Gemstones

What Is Spinel? The Great Impostor That Fooled Kings

Spinel spent centuries being mistaken for ruby, and the twentieth century being the stone in half of Sweden's pale blue gold rings. A dealer explains...
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The Oldmine app icon - a black O
AUG 2026 · Buying & value

Get Oldmine on Your Home Screen

Did you know the shop can live on your home screen just like an app? No app store, no downloads - here is how, in...
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Lab-Created Sapphires in Antique Jewelry: A Century of Man-Made Stones
AUG 2026 · Gemstones

Lab-Created Sapphires in Antique Jewelry: A Century of Man-Made Stones

Lab created sapphires have been set in real jewelry since 1902 - old enough to be antiques themselves. How they were used, how to spot...
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The Classic Pieces Every Jewelry Collection Needs
AUG 2026 · Buying & value

The Classic Pieces Every Jewelry Collection Needs

Nine pieces that never date and never sit unworn, drawn from what actually leaves my cases. The solid chain, the bangle, the old band and...
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Heart Jewelry Meaning: Witch's Hearts, Padlocks and Puffy Hearts
AUG 2026 · History & styles

Heart Jewelry Meaning: Witch's Hearts, Padlocks and Puffy Hearts

Witch's hearts, padlock hearts, puffy hearts - every era drew the oldest love symbol its own way. What each one means and when it was...
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How to Spot Reproduction Antique Jewelry: A Dealer's Checklist
AUG 2026 · Buying & value

How to Spot Reproduction Antique Jewelry: A Dealer's Checklist

Construction, wear, findings, stones, hallmarks - the checklist I run through before I believe any piece is old.
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Opals in Antique Jewelry: Fire, Water and How to Live With Them
AUG 2026 · Gemstones

Opals in Antique Jewelry: Fire, Water and How to Live With Them

No other stone carries light the way an opal does, and none is more misunderstood. The types, the care rules and what to buy.
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Rubies in Antique Jewelry: The Red Stone Kings Fought Over
AUG 2026 · Gemstones

Rubies in Antique Jewelry: The Red Stone Kings Fought Over

Kings fought over them and Burma set the standard. Ruby quality, the synthetic question in vintage pieces, and how to buy well.
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The History of the Engagement Ring: From Rome to the Diamond Solitaire
AUG 2026 · History & styles

The History of the Engagement Ring: From Rome to the Diamond Solitaire

Two thousand years before the diamond solitaire there were iron rings, posy rings and fede hands. The whole story, era by era.
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Platinum in Antique Jewelry: The Metal That Made Edwardian Lace Possible
AUG 2026 · Gold & metals

Platinum in Antique Jewelry: The Metal That Made Edwardian Lace Possible

The metal that made Edwardian lace and Art Deco geometry possible, then disappeared into the war effort. How to recognize it and live with it.
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What Is Mid-Century Jewelry? The Golden Decades of 1950-1975
AUG 2026 · History & styles

What Is Mid-Century Jewelry? The Golden Decades of 1950-1975

Heavy chains, sculptural bangles and Scandinavian goldsmiths at the top of their game. A dealer on the golden decades of 1950-1975.
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What Is Retro Jewelry? Big Gold, Bows and Hollywood (1935-1950)
AUG 2026 · History & styles

What Is Retro Jewelry? Big Gold, Bows and Hollywood (1935-1950)

Big sculptural gold, bows and tank bracelets - the glamour Hollywood kept up while gold was rationed. How to know Retro when you see it.
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