The Oath Journal
Fine Jewelry, Explained
Buying guides, gemstone deep dives, metal know-how, and styling advice from the Oath team. Everything you need to choose, wear, and care for fine jewelry with confidence.
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The Essential Guides
New to fine jewelry? These cornerstone guides cover the fundamentals worth knowing first.
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Buying Guide
Rose Gold vs Yellow Gold vs White Gold: How to Choose
Rose gold vs yellow gold vs white gold: they share the same pure gold at a given karat. Compare tone, alloy, and upkeep, and choose the color for you.Read article → -
Buying Guide
The Complete Guide to Platinum Jewelry: Purity, Patina, and Wear
Platinum explained: why it is naturally white, what 950 purity means, how it develops a patina instead of wearing away, and how it compares to white gold.Read article → -
Buying Guide
The Complete Guide to Rose Gold Jewelry: Composition, Color, and Care
Rose gold explained: how copper creates its pink tone, why karat shifts the shade, why it is durable and needs no plating, and who its warm color suits.Read article → -
Buying Guide
The Complete Guide to White Gold Jewelry: Rhodium, Care, and Longevity
White gold explained: why it is plated with rhodium, how that plating wears and gets renewed, how the solid gold core lasts, and how to keep it brightest.Read article → -
Buying Guide
The Complete Guide to Yellow Gold Jewelry: Karats, Color, and Care
Yellow gold explained: the silver-and-copper alloy behind its warm tone, how 14K and 18K differ, how it wears, who it suits, and how to keep it glowing.Read article → -
Buying Guide
The Complete Guide to Sterling Silver Jewelry: 925, Tarnish, and Care
Sterling silver explained: what the 925 stamp means, why it tarnishes and how to stop it, how it wears day to day, and how to keep it bright for decades.Read article → -
Buying Guide
The Complete Guide to Gold Jewelry: Karats, Colors, and Care
Gold jewelry explained: what karat really means, how 10K, 14K, and 18K wear, where yellow, white, and rose color comes from, and how to keep gold bright.Read article →
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