Loaned for exhibit by SIBA Corp.
Strongly colored diamonds weighing more than 100 carats are extremely rare, making this vivid yellow diamond truly exceptional. The color is the result of nitrogen atoms that replaced some of the crystal’s carbon atoms. The gem is named after its former British owner, Major Alfred Ernest Allnatt.
From the De Beers mine in South Africa, the Allnatt diamond weighs 101.29 carats.
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