Both dense and soft, gold in its natural state possesses a
bright yellow colour. Used in jewellery, it is alloyed with
other metals in order to reinforce its hardness. Depending on
the metal with which it is alloyed, gold may take on different
tones. The proportion of pure gold used in French jewellery is
75% and is designated by the value of 18 karats (18K). Yellow
gold comprises 75% gold, alloyed with 12.5% silver and 12.5%
copper. Enhanced by stones with warm tones, it reflects a
timeless baroque spirit. White gold, also sometimes designated
as grey gold, is composed of 75% gold, alloyed with silver,
copper and sometimes palladium. Covered by a fine layer of
rhodium, it has an exquisite white tone that combines perfectly
with diamonds. Pink gold comprises 75% gold, 20% copper and 5%
silver. With its exceptional delicacy this tint combines equally
well with either white gold or yellow gold so as to enhance all
skin tones. With its intense silvery white colour in its natural
state, platinum is a precious met