Jewels to feature at the auction, which include coloured diamonds, pearls, Kashmir sapphires and Burmese rubies, were on view at Christie’s London from 22-23 October and also at the Four Seasons Hotel des Bergues, Geneva for a few days in November.
The 7.03-carat diamond ring by prestigious London jewellery design house Moussaieff will be the star turn at the high profile annual auction in the Swiss city.
Other notable trinkets to appear at the sale will include a 46.93-carat D colour, internally flawless diamond with a half-moon modified brilliant-cut (estimate $3.8-$4.5m); and a 5.23-carat fancy intense blue cut-cornered rectangular modified brilliant-cut diamond ($3.5-$4.5m).
Also going under the hammer will be a collection of Cartier brooches with a pre-sale estimate of $180,000-$224,000, along with a Cartier turquoise and diamond Belle brooch, circa 1910, acquired by Dame Nellie Melba, one of the most famous singers of the late Victorian era and early 20th century, at the peak of her career, which is expected to fetch $254,000-$356,000.
Another striking inclusion is a sensational Burmese sapphire pendant of 42.97 carats, an important pair of untreated Colombian emerald earrings of over 7.5 carats each, and a Burmese pigeon blood red ruby ring of 3.88 carats.
Finally there are jewels by renowned jewellery designer Pierre Sterlé, considered to be emblematic of 1950s and 1960s jewellery.
Christie’s Geneva Magnificent Jewels auction will take place on 12 November.