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Christies has announced that its highest valued jewel to be offered in an online-only sale, the flawless star, a d-colour diamond valued at $4-6m (£3-4.5m), will be for sale in its new auction.
The auction will take place from March 28 to April 7, and includes over 200 lots with more than half of all lots being offered without reserve.
The flawless star belongs to the rare Type IIa category, which make up less than 2% of all diamonds. Type IIa diamonds are the most chemically pure and are characterised by their transparency. These stones have no traces of nitrogen, which creates a purity of colour that is observed only in the finest diamonds originating from the fabled mines of Golconda, Brazil and South Africa.
Other highlights of the sale include designs by renowned jewellery houses such as Buccellati, Bulgari, Cartier, Graff, Harry Winston, JAR, Oscar Heyman and Brothers, Seaman Schepps, Tiffany and Co., and Verdura.
Specially featured in the sale are selections of Van Cleef and Arpels jewellery, including many interpretations of the Alhambra motif such as a turquoise ‘Vintage Alhambra’ long necklace and diamond ‘Magic Alhambra’ earrings.
