A new world record for any jewellery auction was set in Geneva when the "Unique Pink" diamond led the Magnificent Jewels and Noble Jewels sale to a total CHF 171.1 million. The spectacular "Unique Pink" also set a new world record for a stone of its type. In addition to recieving the highest possible colour grading for a pink diamond from the Gemological Institute of America, the "Unique Pink" has been found to be Type IIa, displaying "exceedingly pure structure." The stone’s exquisite pear shape and brilliant cut accentuate its exceptional saturation, placing it in a rarefied category even among the world’s most beautiful diamonds. Click ahead to see the top ten lots from this record-breaking sale.