A magnificent diamond 'Cluster' necklace by Harry Winston, circa 1993, designed as a tapering articulated collarposed of pear-shaped, marquise-shaped and brilliant-cut diamonds, suspending a detachable pear-shaped diamond pendant weighing 17.91 carats, length approximately 38cm, necklace signed Winston, numbered 1807, maker's mark for Jacques Timey, stamped PT950 and OR, pendant stamped PT950, maker's mark HW, estimated total diamond weight including pendant 98.52 carats Created in the 1940's, the original cluster motif was inspired by the lush greenery of a holly wreath at Harry Winston's Scarsdale estate. With its quintessentially sculptural form designed to capture light from all directions, the 'Winston Cluster' has evolved as the House's iconic signature style. Apanied by GIA report number 16439026 dated , stating that the pear-shaped diamond weighs 17.91cts and is a natural diamond with F colour and VS2 clarity. Fluorescence: medium.Special notices:Restricted BiddingOnline bidding will not be available for lot 501. If you wish to bid on this lot you will need to register a telephone bid or bid in person and provide proof of your address and provide photographic ID.You may be asked to pay a deposit of 20,000.Any deposit must be paid by debit card or bank transfer. Woolley and Wallis must have cleared funds no later than 12 noon on Wednesday 6th April. If you are not successful you will be refunded (without interest) within seven working days.