What Actually Makes Rose Gold Pink

Gold comes out of the ground yellow. Every other colour is an alloy decision, and each one carries a trade-off in hardness, allergy risk and maintenance.

Pure gold has exactly one colour. Everything else on a jeweller's counter is a recipe, and the recipes have consequences beyond appearance.

The base fact

24k gold is a warm, slightly orange yellow. Soft enough to mark with a fingernail, too soft for most jewellery.

To make it workable, other metals are added. Those metals change the colour as a side effect of making the gold usable. Colour is a by-product of engineering.

Rose gold

Copper. That is the whole answer. Copper is reddish, and adding more of it pulls gold pink.

More copper gives a deeper red. The pale, subtle rose fashionable in recent years uses less copper, often with a little silver to soften it.

Two consequences worth knowing:

Rose gold is typically the hardest of the three colours at a given carat, because copper is a hardening alloy. It resists dents slightly better than yellow.

It cannot fade. The colour is the metal all the way through. Unlike plated white gold, there is no surface layer to wear off. A rose gold ring will look the same in twenty years, allowing for polish.

Copper can develop a slight patina over long periods, which some people like. Polishing removes it.

Yellow gold

Copper and silver in roughly balanced proportion, keeping the natural yellow while adding hardness. Higher carat means deeper yellow, which is why 916 reads richer than 750.

Also colour-stable and unplated. The traditional choice, and the least maintenance of the three.

White gold

The awkward one. Gold is alloyed with white metals, palladium, silver, sometimes nickel, to lighten it. The result is not truly white but a pale greyish yellow, so nearly all white gold is rhodium plated to give the bright white people expect.

That plating wears and needs periodic renewal. Covered in full in our article on rhodium plating.

A note on nickel: nickel-alloyed white gold is a common cause of contact allergy. If you have ever reacted to costume jewellery or a watch back, ask specifically for nickel-free white gold or choose palladium white gold or platinum.

Choosing by skin tone, and ignoring the rules

The usual advice pairs rose and yellow with warmer complexions and white with cooler ones.

It is a starting point and nothing more. Try all three against the actual hand in daylight. People are regularly surprised, and the ring is going to be worn by a person, not by a rule.

Mixing metals

Two-tone and three-tone pieces are entirely practical and solve real problems, a white gold head to make a stone look whiter, on a rose gold shank that suits the wearer.

The only caution is maintenance: if any part is plated white gold, replating has to work around the other colours, which takes more care and costs a little more.

Book a complimentary design consultation at the C'Garden atelier, The MET Corporate Towers, Kuala Lumpur: 010-766 7448 · hq@cgarden.com.my

C'Garden is an independent bespoke jeweller in Kuala Lumpur. We are not affiliated with, endorsed by, sponsored by or certified by any organisation, laboratory or brand named in this article. Third-party names are used only to refer factually to those organisations and their published standards. All text and imagery in this article is original work created by C'Garden.

Reference

Jewelers of America. (n.d.). Gold jewelry guide. Jewelers of America. https://jewelers.org/education/jewelry-metals/gold-jewelry-guide/17-consumer/education-jewelry-care/jewelry-care