Rainbow Collection Sapphires NTE
Sapphire NTE Unique
SWISS family owned since 1898. FRIEDEN is specialised in lose couloured gemstones, diamonds and handmade unique jewellery. Thomas Frieden G.G. GIA, Expert SGG and René Lauper Gemologist G.G. GIA , Epert SGG have built up an extensive worldwide network of gem sourcing in most of gem producing countries.