Petra Diamonds recovers 23.16ct pink diamond from the Williamson mine in Tanzania.
The pink diamond has been described as having “exceptional colour and clarity” and being an example of the high quality pink diamonds for which the Williamson mine is known for.
The large pink stone is the most significant recovery by Petra from the mine to date.
“Pink diamonds are only found in a handful of mines throughout the world and their rarity ensures that they are one of the most highly coveted of all the fancy colours,” the company said in a statement.
Pink colour in diamonds is thought to be brought about by an alteration to the stone’s molecular structure, possibly caused by some kind of seismic shock at the time of the diamond’s formation.
The diamond will now be offered for sale by appointment in Antwerp in December.
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