REMINDER of METAL HALLMARKS and TREATMENTS

• 925/1000 or Sterling Silver
  Silver with a 92.50% silver content.
  
  
• Rhodium-plated sterling silver
  A fine layer of rhodium is added that protects sterling silver from chemical agents that, when in contact with air or skin might tarnish or blacken the silver. 
  
  
• Platinum-plated sterling silver
  A fine layer of platinum is added that protects sterling silver from chemical agents that, when in contact with air or skin might tarnish or blacken the silver.
  
  
• “Agere” gold-coloured sterling silver
  Fine-gold coating with international patented ‘Agere’ treatment that bonds the silver and gold molecules.The patented “Agere” process protects precious and non-precious metals from oxidising agents and UV radiation, salinity, moisture and sweat.
  
  
• Gold-plating
  Application of a minimum 3-micron layer of gold on a brass base.
  
  
• 9ct (375/000) Gold
  Made of 37.5% pure gold and 62.5% of other metals such as zinc, copper and silver.
  
  
• 18ct (750/000) Gold
  Made of 75% pure gold and 25 % of silver and copper.

Pearls

• Majorica pearls are imitation pearls made of glass covered in powdered seashells.
  
  
• Tahitian pearls are produced by the black lip oyster (Pinctada Margaritifera) and cultivated exclusively around the islands of French Polynesia.
  

• Freshwater pearls are cultured pearls produced by a mollusc bred in lakes and rivers.