India Today - - HOTSHEET - Com­piled by Va­roon P. Anand and Anin­dita Sat­pathi

What is as pre­cious as a deep sea pearl, shines an un­abashed aqua­ma­rine blue and has never seen the in­side of an oys­ter? The world’s largest round Fancy Vivid blue di­a­mond, named ‘ Pre­mier Blue’ af­ter the Pre­mier mines in Pre­to­ria, South Africa, from where it was sourced. The di­a­mond will go un­der the ham­mer at Sotheby Hong Kong’s Mag­nif­i­cent Jewels and Jadeite auc­tion in a be­fit­ting ode to the auc­tion house’s 40th an­niver­sary on Oc­to­ber 7, 2013. Ex­pected to fetch $ 19 mil­lion, the 7.59- carat in­ter­nally flaw­less blue di­a­mond is the largest gem of its kind to have been graded by the GIA ( Ge­mo­log­i­cal In­sti­tute of Amer­ica). The di­a­mond be­long­ing to the rare cat­e­gory of coloured stones, has been cre­ated us­ing an un­likely com­bi­na­tion of tech­niques and will pos­si­bly set record auc­tion prices, jewellers said. The Pre­mier Blue has un­der­gone the third most in­tense gra­da­tion – Vivid Blue and the bril­liant cut tech­nique, rarely used for coloured stones. Apart from the Pre­mier Blue, the auc­tion will also fea­ture pink, yel­low and colour­less di­a­monds, Burmese ru­bies, Colom­bian emer­alds and Kash­mir sap­phires, nat­u­ral pearls and the finest jadeite.

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