10 things you didn't know about Tiffany & Co.

1. In 1851 Tiffany & Co. adopted the British standard for silver and to this day only sells “sterling” 925/1000 silver. Other standards at the time contained lower concentrations of silver and Tiffany & Co wanted to mark themselves out as maker of assured quality.

2. In 1858 Charles Lewis Tiffany bought an amount of surplus transatlantic telegraph cable in order to chop up and sell as souvenirs. Such was the excitement at the time of the new means of communication that the souvenirs proved to be an instant hit.

3. The classic six pronged Tiffany setting was created in 1886.

4. Kunzite and Tanzanite are precious gemstones both of which were discovered by Tiffany & Co's in house gemmologist Dr Kunz.

5. Elsa Peretti, one of Tiffany & Co's most renowned Designers, lives and works in a tiny hamlet in Catalonia, which she entirely owns!

6. The name Tiffany derives from the Greek word Theophania, literally "God appears".

7. The legendary Tiffany yellow diamond is made up of 90 facets, compared to the 58 of a regular brilliant cut.

8. Rubedo - Tiffany & Co's new metal alloy is a secret blend of copper, gold and silver. It tests as approximately 7.5k gold, similar to the 8k rose gold popular in Edwardian times.

9. Tiffany & Co's most recent store opening was in Bogota, Columbia.

10. Currently 8% of all Tiffany & Co's sales are made in the flagship store on Fifth Avenue, New York.