- Who
- Octagon Blue GVC
- What
- 2500000 euro(s)
- Where
- Belgium (Antwerp)
- When
The most valuable advent calendar was valued at €2.5 million (then approx. £2,100,00; $3,300,000) and was crafted by Octagon Blue GVC (Belgium) and valued on 30 November 2010.
The calendar was made up of 24 glass tubes each containing a small package of a diamond wrapped in silver. The glass tubes each featured an angel. the calendar contains 124 diamonds.