An importnat pair of diamond ear clips, by Harry Winston. Photo Bonhams

Each set with a detachable pear-shaped brilliant-cut diamond, weighing 6.94 and 7.00 carats, to a cluster surmount of pear, marquise and round brilliant-cut diamonds, mounted in platinum, signed 'HW', earring length 4.3cm. Lot 728. Estimate: HK$ 12.0 million - 14.0 million / US$ 1.5 million - 1.8 million / £960,000 - 1.1 million. Unsold

Accompanied by fourte

en certificates from GIA, stating the following:

The 6.94 carats diamond is D colour and IF clarity. Report number 6015275, dated 17 Jan 2012
Further accompanied by a letter from GIA stating that the diamond has been determined to be Type IIa

The 7.00 carats diamond is D colour and IF clarity. Report number 2135580022, dated 13 July 2011
Further accompanied by a letter from GIA stating that the diamond has been determined to be Type IIa

The 0.72 carats diamond is E colour and VS1 clarity. Report number 2131434381, dated 31 May 2011

The 0.79 carats diamond is D colour and IF clarity. Report number 5283708, dated 3 May 1990

The 0.81 carats diamond is D colour and VS2 clarity. Report number 10379536, dated 8 Aug 2007

The 0.85 carats diamond is D colour and VS1 clarity. Report number 12174542, dated 28 Aug 2002

The 0.85 carats diamond is D colour and IF clarity. Report number 11166984, dated 3 Jan 2012

The 0.91 carats diamond is D colour and IF clarity. Report number 15216170, dated 8 Nov 2006

The 0.95 carats diamond is E colour and VS1 clarity. Report number 10351757, dated 26 April 2007

The 0.96 carats diamond is D colour and VS2 clarity. Report number 10359174, dated 24 April 2007

The 1.00 carats diamond is E colour and VVS2 clarity. Report number 5111200957, dated 29 Sept 2009

The 1.02 carats diamond is E colour and VS1 clarity. Report number 5121137314, dated 14 May 2010

The 1.06 carats diamond is E colour and IF clarity. Report number 1142363218, dated 13 Feb 2012

The 1.20 carats diamond is E colour and IF clarity. Report number 5141392796, dated 30 Jan 2012

25.06克拉鑽石 耳環 一對 Harry Winston設計

Bonhams. 26 May 2012 2 p.m. Hong Kong. Fine Jewellery & Jadeite