Rarest diamonds sold at auction

The Eternal Pink Diamond, a flawless 10.57-carat jewel, is expected to fetch more than $35 million at Sotheby’s, potentially setting a record for the highest price per carat


Eternal Pink: Mined by De Beers at Damtshaa mine in Botswana.
Internally flawless – no blemishes visible under 10x magnification, highest ranking for quality of colour


ANGOLA 
NAMIBIA 
BOTSWANA
ZAMBIA 
Damtshaa mine
ZIMBABWE 
MOZ.
SOUTH AFRICA


Price per carat ($ millions)	$00.0m Auction price/date

Williamson Pink Star	$57.73m/2022	$5.2m
Oppenheimer Blue	$57.50m/2016	$3.9m
Blue Moon of Josephine	$2.6m 	$31.70m/2015
The Orange		$2.4m 	$35.54m/2013
Pink Legacy		$2.1m 	$38.50m/2018
Graff Vivid Pink	$1.9m 	$46.00m/2010
Winston Blue		$1.8m 	$23.80m/2014
Sweet Josephine Pink	$1.8m 	$28.50m/2015
Perfect Pink		$1.7m 	$23.80m/2010
Fortune Pink		$1.6m 	$29.00m/2022
Orange-Red		$1.2m 	$1.45m/2022
CTF Pink Star		$1.2m	$71.20m/2017
   

Williamson Pink Star: At 11.15ct, was second-largest internally flawless, vivid pink diamond to sell at auction – outsized only by CTF Pink Star at 59.60ct
             

Sources: Barron’s Daily, Bloomberg, Hatton Jewels 
Pictures: Sotheby’s 
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