Did you know that since the late 90s, the Tiffany Blue colour has been a registered colour trademark by the jewellery giant Tiffany & Co.? Produced as a private custom colour by Pantone bearing PMS number 1837 being the year it was founded, this means that other jewellers offering for sale products that are similar to that of Tiffany & Co.’s are legally prohibited from making use of the same colour.