Materials: metal purity and tones

Purity and color

Karat measures how much of the metal is gold. Higher karat means warmer, richer color and a softer metal; lower karat means more alloy, more durability, and a paler tone. The available tones change with purity:

• 10k gold: yellow, white, rose.
• 14k gold: yellow, white, rose, green, black.
• 18k gold: yellow, white, rose, green, purple, blue, black.
• 22k gold: yellow, rose.
• Platinum, silver, palladium: silver-white.
• Rhodium finishes: silver-white, black, grey, blue, purple.

Two-tone pieces

A two-tone piece has a primary and a secondary metal — yellow with white accents, rose with black contrast. Describe it that way in the brief: which metal dominates, and where the accent lives (the bezel, the lettering, the pave field).

What renders can and can't show

In a rendered image, the difference between 14k and 18k yellow reads as a subtle shade shift at best. Purity matters less for the picture and more for the real piece — weight, durability, and price. That is why the qualification step asks about it separately instead of relying on the render.