Hope Diamond
The Hope Diamond is one of the most famous jewels in the world, with ownership records dating back almost four centuries. Its much-admired rare blue color is due to trace amounts of boron atoms. Weighing 45.52 carats, its exceptional size has revealed new findings about the formation of gemstones.
Cullinan Diamond
The Cullinan Diamond was the largest gem-quality rough diamond ever found, weighing 3,106.75 carats (621.35 g), discovered at the Premier No. 2 mine in Cullinan, South Africa, on 26 January 1905. It was named after Thomas Cullinan, the mine's chairman. In April 1905, it was put on sale in London, but despite considerable interest, it was still unsold after two years. In 1907, the Transvaal Colony government bought the Cullinan and presented it to Edward VII, King of the United Kingdom, who had it cut by Asscher Brothers in Amsterdam.
Peggy Hopkins Joyce
Peggy Hopkins Joyce was an American actress, artist's model and dancer. In addition to her performing career, Joyce was known for her flamboyant life, with numerous engagements, six marriages to wealthy men, subsequent divorces, a series of scandalous affairs, a collection of diamonds and furs, and a generally lavish lifestyle.
Harry Winston
Harry Winston was an American jeweler. He donated the Hope Diamond to the Smithsonian Institution in 1958 after owning it for a decade. He also traded the Portuguese Diamond to the Smithsonian in 1963.
Oppenheimer Diamond
The Oppenheimer Diamond, a nearly perfectly formed 253.7 carats (50.74 g) yellow diamond crystal, is one of the largest uncut diamonds in the world, and measures approximately 20 × 20 millimeters. It was discovered in the Dutoitspan Mine, Kimberley, South Africa, in 1964. Harry Winston acquired the stone and presented it to the Smithsonian Institution in memory of Sir Ernest Oppenheimer.
Tavernier Blue
The Tavernier Blue was the precursor diamond to the Blue Diamond of the French Crown, and subsequently the Hope Diamond. This provenance was accepted by many historians and gemologists for years and was supported by research with 3D imaging and prototyping technology in 2005. It is a Type IIb diamond.
Spanish Inquisition Necklace
The Spanish Inquisition Necklace is a diamond and emerald-studded necklace. As of 2008, it is on display at the Smithsonian Institution in Washington, D.C., United States. It was given its name by Harry Winston, the American jeweller who acquired it from the Maharaja of Indore, and has no known connection with the historical Spanish Inquisition.
Star of Sierra Leone
The 968.9-carat (193.78 g) Star of Sierra Leone diamond was discovered by miners on February 14, 1972, in the Diminco alluvial mines in the Koidu area of Sierra Leone. It ranks as the fourth-largest gem-quality diamond and the largest alluvial diamond ever discovered.
Hall Sapphire and Diamond Necklace
The Hall Sapphire and Diamond Necklace has 36 matched sapphires from Sri Lanka which total 195 carats. These sapphires are surrounded by 435 brilliant-cut diamonds that total 83.75 carats. The sapphires are cushion-cut, some of the diamonds are pear-shaped and the others are round cut. The setting is platinum.
Star of the East (diamond)
The "Star of the East" is a 94.80-carat, pear-shaped, D-color stone of unknown clarity grade. Its exact origin is unknown, but it likely originated from India. The origin of its name and year of discovery are also unknown. The diamond was part of the collection of the jewelry-loving Sultan of the Ottoman Empire, Abdul Hamid II. It later made it into the hands of Pierre Cartier, who sold it to Evalyn Walsh McLean. After Mclean's death, Harry Winston purchased the diamond together with Mclean's entire collection. The diamond's current whereabouts are unknown.
Black, Starr & Frost
Black, Starr & Frost is an American jewelry company. Founded in 1810, the company is the oldest continuously operating jewelry firm in the United States.