rainbow colored gemstone drop earrings. Amsterdam Sauer. Rio De Janeiro, Brazil. 18K gold blue topaz 15.14 carats garnets 7.14 carets citrine 15.46 carats in excellent condition. pre-loved and barely worn may be microscopic scratches!!!! value was $2500 in 2009 authentication and receipt will be included just a stunning set of earrings. reasonable offers considered!.