Hope Diamond
Smithsonian ownership

Date acquired
Owner
Change in diamond
Value when sold
Notes
1653
Tavernier
112.5 Old French karats, 116 Metric carats.
220,000–720,000 livres. Tavernier received Patent of Nobility as part payment worth 450,000 livres
Time of acquisition: between 1640–1667, possibly 1653
1668
King Louis XIV
triangular-shaped 69 metric-carat gem set on a cravat-pin 1674.
bequeathed
-
1715
King Louis XV
Assembled into elaborate pendant Order of the Golden Fleece
bequeathed
-
1775
King Louis XVI
69 Metric carats
stolen
-
1791
Government of France
-
stolen
-
1792
Unknown
-
stolen
-
1812
Daniel Eliason, a London jeweler
circa 44 non-metric carats
$65,000; $90,000
-
between 1812-1830
King George IV of the United Kingdom
-
-
Sold to pay off kings debts after death
1830-1839
Unknown
-
-
-
some time between 1830-1839
Henry Phillip Hope (1774–1839)
Became known as the "Hope Diamond"
bequeathed
-
1839
Henry Thomas Hope
-
bequeathed
displayed at the 1851 London Exhibition
1861
Henry Pelham-Clinton, Duke of Newcastle
-
bequeathed
Hope gave his daughter the gem after she married the 6th Duke of Newcastle
1884
Lord Francis Hope, 8th Duke of Newcastle
-
$250,000
-
1894
May Yohé, Lady Henry Francis Hope
-
£29,000 (£2,484,530 as of 2011)
May Yohe was the wife of Lord Henry Francis Hope
1901
Adolph Weil, London jewel merchant
-
$141,032 (approx £28,206). second est:$148,000
-
1901
Simon Frankel
-
-
-
1908
Selim Habib (Salomon? Habib)
-
-
-
1908
Sultan Abdul Hamid
Weighed 44 3/8 carats
400,000 francs; second estimate: $80,000.
Note: disputed whether Sultan owned it
1909
Simon Rosenau
-
550,000 francs
-
1910
Pierre Cartier
reset to appeal to Evalyn McLean; diamond mounted as a headpiece on three-tiered circlet of large white diamonds; became pendant
$150K; $300K+; $185K
conflicting estimates of sales price
1911
Edward Beale McLean and Evalyn Walsh McLean
weight thought to be 44.5 carats
$180,000
Entire McLean collection sold to Winston
1947
Harry Winston
Diamond's bottom facet slightly recut to increase brilliance
-
NYC jeweler; he took it around the US to popularize it
1958
Smithsonian Museum
Settings, mountings, scientific study; weight found to be 45.52 modern metric carats in 1974
$200–$250 million (if sold in 2011)
Insured for $250 million

Question: What was the 44 ³⁄₈ carats Hope Diamond's weight found to be in 1974?
Answer: The Hope Diamond's weight was 44 ³⁄₈ carats and its weight was found to be 45.52 carats in 1974.