Solid Gold vs. Gold-Plated vs. Gold-Filled: The Real Difference
“Gold” on a product page can mean three very different things — and the difference decides whether your jewelry lasts two months or two generations. Here's the honest breakdown.
The three types, explained
Gold-plated jewelry is a base metal (usually brass) with a microscopically thin layer of gold on the surface — often less than 0.05% of the piece. Gold-filled jewelry bonds a thicker sheet of gold to a brass core; better, but still a coating over base metal. Solid gold is exactly what it sounds like: the same gold alloy from the surface to the center, in 14K or 18K.
Why plating always wears off
A plated layer is measured in microns. Skin oils, sweat, perfume, hand-washing and simple friction wear through it — typically within months for a ring or bracelet. What's underneath is brass or copper, which can discolor and irritate skin. That's why plated pieces “turn” and why they can't be resized, repolished or repaired without exposing the base metal.
Gold-filled: better, but not forever
Gold-filled pieces carry roughly 100x more gold than plated ones and can last years with gentle care. But the gold is still only on the outside. Deep scratches, resizing and long-term wear eventually reach the core — and the piece has little intrinsic value beyond that thin layer.
Why solid gold costs more — and why it's worth it
Solid gold has no layer to wear through. Scratch it, polish it, resize it, wear it in the shower for decades — it's gold all the way down. It doesn't tarnish, it's kind to sensitive skin, and it holds real, measurable value: a solid gold piece is a small store of precious metal, not just an accessory. It can be repaired and refinished endlessly, which is why solid gold is what gets passed down.
How to tell what you own
Check the stamp: “14K” or “18K” alone usually signals solid gold. “GP”, “GEP” or “HGE” mean plated; “GF” or fractions like “1/20 14K” mean gold-filled. When in doubt, a jeweler can test it in minutes.
Kavseyn exists because we believe fine jewelry should be real. Every piece we make is solid 14K or 18K gold — never plated, never filled — crafted to order and finished by hand in California. Read our story, or see the difference for yourself in our solid gold collection.