Materials guide

With a base of 75% pure gold (18 karats), we obtain rose gold by slightly increasing the copper in the alloy recipe. About 20% copper with 5% silver. Yellow gold is also composed of approximately 12,5% silver and 12,5% copper.

It is a denomination that certifies that the jewelry is composed of 975 thousandths of silver. Since a decree from the 18th of July 2000, the European norms prohibit the addition of nickel, considered an allergen.

Lighter than gold, this material is composed of sterling silver (975 thousandths) coated with a minimum of 5 microns of 18k gold. It is, in particular, the metal used to create British crowns.

White gold is rhodium-plated, meaning it is covered with a fine layer of metal (rhodium) to give it its white color. With a base of 75% gold (18 karats), we transform the originally yellow metal into a white gold base by adding silver, around 15% copper, and in some cases, palladium.

With a base of 75% pure gold (18 karats), yellow gold is also composed of about 12,5% silver and 12,5% copper.