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Alain.R.Truong
8 février 2022

Harry Winston, Diamond Ring & Chopard, Sapphire and Diamond Ring

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Lot 257. Harry Winston. Diamond Ring. Estimate 7,000,000 - 9,000,000 HKD© 2021 Sotheby's

Set with an emerald-cut diamond weighing 10.35 carats, flanked by two tapered baguette diamonds, mounted in platinum, size 6, maker's mark for Harry Winston.

Accompanied by GIA report no. 5211904750, dated 10 September 2021, stating that the diamond is D Colour, Internally Flawless, Excellent Polish and Symmetry; further accompanied by a diamond type classification letter stating that the diamond is determined to be a Type IIa diamond. Type IIa diamonds are the most chemically pure type of diamond and often have exceptional optical transparency.

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Lot 272. Chopard, Sapphire and Diamond Ring. Estimate 4,800,000 - 6,800,000 HKD© 2021 Sotheby's

Property of A Private Collector.

Set with a cushion-shaped sapphire weighing 10.46 carats, decorated with brilliant-cut diamonds, size 5¾, signed Chopard.

Accompanied by SSEF report no. 113103, dated 17 March 2020, stating that the sapphire is of Kashmir origin, with no indications of heating; further accompanied by an appendix letter stating that 'The natural sapphire...possesses extraordinary charateristics and merits special mention and appreciation...with a saturated blue colour and a fine purity'.

Accompanied by Gübelin report no. 20040085, dated 4 May 2020, stating that the sapphire is of Kashmir origin, with no indications of heating; further accompanied by an appendix letter stating that 'The natural sapphire...possesses a richly saturated and homogenous colour, combined with a high degree of transparency'.

Accompanied by AGL report no. 1112597, dated 18 February 2021, stating that the sapphire is of Kashmir origin, with no gemological evidence of heat and clarity enhancement; further accompanied by a letter stating that 'The 10.46cts sapphire...possesses a richly saturated blue color that distinguishes a fine-quality Kashmir sapphire...a unique set of quality factors complements the rarity and desirability of this unusual gemstone'.

Sotheby's. Important Jewels, Hong Kong, 18 February 2022

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