a New York jewelry firm in 1942. Mrs. William B. Leeds of New York purchased the gem in 1944 and wore it in a ring. It was sold at auction in New York in 1970. The Nepal, a , colorless, pear-shaped antique brilliant. Not much is known about this gem. It is thought to be a Golconda diamond and was owned by Jang Bahadur, the Prime Minister of Nepal, in the late 19th century and remained in the hands of Nepalese royalty until the mid-20th century. Winston purchased the diamond from an Indian dealer in 1957. At this time he had it slightly recut from its original weight. It was set in a pendant/brooch combination and was featured in an article on diamonds and gems in the April 1958 issue of National Geographic magazine and then exhibited at London's "Ageless Diamond" exhibition the following year. That same year, the stone was sold to the Family Perfillon-Bertarelli as the pendant to a v-shaped diamond necklace that also contained 145 round brilliants weighing a total of . The Niarchos, a , D color and Flawless clarity, pear-shaped brilliant. The gem was discovered as a crystal at the Premier Mine in South Africa, in 1954. In 1956, it was sold to Winston as part of an $8.4 million parcel. The largest gem cut from it was a pear-shaped diamond. The same year it was purchased by Stavros Niarchos, Greek shipbuilder and industrialist, whose name it currently bears. Also cut from the rough were a marquise and a emerald cut. They were also purchased by Niarchos. The Oppenheimer, a , light yellow, uncut crystal. The Oppenheimer was discovered in 1964 at the Dutoitspan Mine near Kimberley, South Africa. The stone is noted for being extraordinarily well-formed. Winston purchased the gem the same year it was found and donated it to the Smithsonian Institution in memory of Sir Ernest Oppenheimer, chairman of the board of De Beers Consolidated Mines Ltd from 1929 until 1957. The Porter Rhodes, a , colorless, Asscher cut. The Portuguese, a , faint yellow with strong blue fluorescence, antique emerald cut. The Qamar-I-Sultana, a , colorless, marquise cut. Queen Marie of Roumania sapphire, a 478.68 carat cushion cut from Sri Lanka. Set and reset by Cartier in the early 1900s, it forms a drop pendant. When sold in 2003, it was the largest sapphire ever sold at auction. Spanish Inquisition Necklace,