KaratGuide

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Mi a Rózsa Arany?

A rózsa arany a réztől kapja színét. Pontosan így változtatja a réz az árnyalatot.

Volume visualization — gold vs. copper

Each droplet = same volume. Copper is much lighter than gold, so it takes far more copper droplets to match the same weight — explaining why rose gold looks visually "fuller" of copper.

18K Rose Gold | 75.0 wt%

18K Rose Gold

14K Rose Gold | 58.3 wt%

14K Rose Gold

9K Rose Gold | 37.5 wt%

9K Rose Gold

Pure gold (Au)
Copper (Cu) — by volume

The rose gold recipe

More copper = more red. Less copper = softer pink.

Au
Gold
Yellow Gold
+
Cu
Copper
Copper The source of the pink hue
+
Ag
Silver
optional
Silver Softens the color slightly
=
ROSE
GOLD
✦ 18K
Rose Gold!

How copper % changes the color

22K
~8% Cu
18K
~15% Cu
18K
~20% Cu
14K
~28% Cu
10K
~42% Cu
Red gold
~50% Cu
← Pale pink / champagne gold Deep red / copper gold →

Common rose gold types

18K Rose Gold
Hallmark: 750
Gold (Au)75%
Copper (Cu)22.25%
Silver (Ag)2.75%

The most popular choice. Warm, elegant pink. Widely available in fine jewelry.

Best for: Engagement rings, fine jewelry

14K Rose Gold
Hallmark: 585
Gold (Au)58.3%
Copper (Cu)33.5%
Silver (Ag)8.2%

Richer, deeper pink. Very durable and more affordable than 18K.

Best for: Everyday rings, bracelets

9K / 10K Rose Gold
Hallmark: 375 / 417
Gold (Au)37.5%
Copper (Cu)55%
Silver (Ag)7.5%

The deepest, most coppery color. Budget-friendly but may cause skin reactions.

Best for: Budget jewelry, fashion pieces

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Origin

Rose gold was popularized in 19th century Russia by jeweler Carl Fabergé — which is why 18K rose gold is sometimes still called "Russian gold."

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Natural?

Rose gold is entirely man-made. Unlike yellow gold, it does not exist in nature — the pink hue is purely from the copper alloy.

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Allergy risk

Because it contains copper (and sometimes nickel), rose gold can trigger reactions in people with sensitive skin — especially lower-karat variants.

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Tarnishing

Rose gold can develop a slightly deeper, richer patina over time as the copper oxidizes. Many people love this aged look — others prefer to polish it.

All gold colors side by side

Yellow Gold
Gold + silver + copper
Rose Gold
Gold + copper (+ silver)
White Gold
Gold + palladium/nickel + rhodium
Green Gold
Gold + silver (+ cadmium)

Volume visualization — gold vs. copper

Each droplet = same volume. Copper is much lighter than gold, so it takes far more copper droplets to match the same weight — explaining why rose gold looks visually "fuller" of copper.

18K Rose Gold | 75.0 wt%

18K Rose Gold

14K Rose Gold | 58.3 wt%

14K Rose Gold

9K Rose Gold | 37.5 wt%

9K Rose Gold

Pure gold (Au)
Copper (Cu) — by volume

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