The Journal · Topic
Care, Sizing & Insurance
Resizing by setting type, stone durability, storage and insurance — keeping a century-old piece wearable for the next one.
Can Diamonds Chip or Break? What 'Hardest Material' Really Means
Can diamonds chip or break? Why Mohs 10 hardness is not toughness, how octahedral cleavage works, where diamonds chip, why old cuts...
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Tanzanite vs Sapphire: How to Tell Them Apart, and Which Lasts
Tanzanite vs sapphire: zoisite from Tanzania's Merelani Hills against corundum, how to tell them apart by colour and refractive index, heat treatment,...
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Why Does My Ring Turn My Finger Green or Black?
Why rings turn fingers green or black: copper in brass, plated jewelry, sterling and low-karat gold reacting with sweat and lotions, makeup...
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Green Gold and Tri-Colour Gold: The Oldest Trick in the Jeweler's Book
Green gold and tri-colour gold explained: how silver and copper change the colour of gold, electrum, Georgian and Retro multi-colour jewelry, the...
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Gold Chain Types: Mariner, Cuban, Figaro, Rope and Box — and How to Spot a Hollow One
Gold chain types explained: cable, curb, Cuban, mariner and the puffed Gucci link, Figaro, rope, box, wheat, snake and herringbone, which ones...
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Vintage Gold Charm and Link Bracelets: Link Types, Clasps and What to Look For
How to buy a vintage gold bracelet: curb, cable, rolo, Figaro, anchor and box links, clasps and safety chains, solid versus hollow...
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How to Measure Your Ring Size at Home (and When Not to Trust It)
The home ring-sizing methods that work, the ones that do not, and a US, UK and European ring size chart. Plus wide...
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Emerald Engagement Rings: Beauty, Durability and What to Know Before You Buy
Are emeralds good for engagement rings? An honest look at hardness vs toughness, oiling, protective settings, emerald as centre stone or accent,...
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How to Tell If Silver Is Real: 925, Sterling Marks and Simple Tests
How to tell if silver is real: what 925, Sterling and the lion passant mean, which marks such as EPNS and nickel...
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