Uncle Sam diamond (NMNH G11741) | Smithsonian National Museum of Natural History

Smithsonian Institution

Smithsonian National Museum of Natural History

James D. Tiller & Brittany M. Hance & Timothy F. Reynolds

Catalog number G11741, the Uncle Sam Diamond, from the National Gem Collection at the Smithsonian Institution National Museum of Natural History. The largest faceted diamond from Arkansas, this 12.42-carat, emerald-cut gem was fashioned from the largest diamond ever found in the United States - a 40.23-carat crystal discovered at Crater of Diamonds, Murfreesboro, Arkansas in 1924. Gift of Dr. Peter Buck

Catalog number G11741, the Uncle Sam Diamond, from the National Gem Collection at the Smithsonian Institution National Museum of Natural History. The largest faceted diamond from Arkansas, this 12.42-carat, emerald-cut gem was fashioned from the largest diamond ever found in the United States - a 40.23-carat crystal discovered at Crater of Diamonds, Murfreesboro, Arkansas in 1924. Gift of Dr. Peter Buck

Catalog number G11741, the Uncle Sam Diamond, from the National Gem Collection at the Smithsonian Institution National Museum of Natural History. The largest faceted diamond from Arkansas, this 12.42-carat, emerald-cut gem was fashioned from the largest diamond ever found in the United States - a 40.23-carat crystal discovered at Crater of Diamonds, Murfreesboro, Arkansas in 1924. Gift of Dr. Peter Buck

Catalog number G11741, the Uncle Sam Diamond, from the National Gem Collection at the Smithsonian Institution National Museum of Natural History. The largest faceted diamond from Arkansas, this 12.42-carat, emerald-cut gem was fashioned from the largest diamond ever found in the United States - a 40.23-carat crystal discovered at Crater of Diamonds, Murfreesboro, Arkansas in 1924. Gift of Dr. Peter Buck

Catalog number G11741, the Uncle Sam Diamond, from the National Gem Collection at the Smithsonian Institution National Museum of Natural History. The largest faceted diamond from Arkansas, this 12.42-carat, emerald-cut gem was fashioned from the largest diamond ever found in the United States - a 40.23-carat crystal discovered at Crater of Diamonds, Murfreesboro, Arkansas in 1924. Gift of Dr. Peter Buck

Catalog number G11740, the Freedom Diamond, and catalog number G11741, the Uncle Sam Diamond, from the National Gem Collection at the Smithsonian Institution National Museum of Natural History. These are among the largest and finest American Diamonds, originating from the only two locations where diamonds have been mined in the United States. The 16.87-carat, cushion-cut Freedom Diamond, in a ring setting, was cut from a 28.18 carat diamond crystal mined from Kelsey Lake, Colorado in 1997. It is the largest faceted diamond from the United States, and is a gift of Robert E. and Kathy G. Mau. The largest faceted diamond from Arkansas, the 12.42-carat, emerald-cut Uncle Sam Diamond was fashioned from a 40.23-carat crystal discovered at Crater of Diamonds in 1924, which is the largest diamond ever found in the United States. The Uncle Sam Diamond is a gift of Dr. Peter Buck

Catalog number G11740, the Freedom Diamond, and catalog number G11741, the Uncle Sam Diamond, from the National Gem Collection at the Smithsonian Institution National Museum of Natural History. These are among the largest and finest American Diamonds, originating from the only two locations where diamonds have been mined in the United States. The 16.87-carat, cushion-cut Freedom Diamond, in a ring setting, was cut from a 28.18 carat diamond crystal mined from Kelsey Lake, Colorado in 1997. It is the largest faceted diamond from the United States, and is a gift of Robert E. and Kathy G. Mau. The largest faceted diamond from Arkansas, the 12.42-carat, emerald-cut Uncle Sam Diamond was fashioned from a 40.23-carat crystal discovered at Crater of Diamonds in 1924, which is the largest diamond ever found in the United States. The Uncle Sam Diamond is a gift of Dr. Peter Buck

Catalog number G11740, the Freedom Diamond, and catalog number G11741, the Uncle Sam Diamond, from the National Gem Collection at the Smithsonian Institution National Museum of Natural History. These are among the largest and finest American Diamonds, originating from the only two locations where diamonds have been mined in the United States. The 16.87-carat, cushion-cut Freedom Diamond, in a ring setting, was cut from a 28.18 carat diamond crystal mined from Kelsey Lake, Colorado in 1997. It is the largest faceted diamond from the United States, and is a gift of Robert E. and Kathy G. Mau. The largest faceted diamond from Arkansas, the 12.42-carat, emerald-cut Uncle Sam Diamond was fashioned from a 40.23-carat crystal discovered at Crater of Diamonds in 1924, which is the largest diamond ever found in the United States. The Uncle Sam Diamond is a gift of Dr. Peter Buck

Catalog number G11740, the Freedom Diamond, and catalog number G11741, the Uncle Sam Diamond, from the National Gem Collection at the Smithsonian Institution National Museum of Natural History. These are among the largest and finest American Diamonds, originating from the only two locations where diamonds have been mined in the United States. The 16.87-carat, cushion-cut Freedom Diamond, in a ring setting, was cut from a 28.18 carat diamond crystal mined from Kelsey Lake, Colorado in 1997. It is the largest faceted diamond from the United States, and is a gift of Robert E. and Kathy G. Mau. The largest faceted diamond from Arkansas, the 12.42-carat, emerald-cut Uncle Sam Diamond was fashioned from a 40.23-carat crystal discovered at Crater of Diamonds in 1924, which is the largest diamond ever found in the United States. The Uncle Sam Diamond is a gift of Dr. Peter Buck

Catalog number G11740, the Freedom Diamond, and catalog number G11741, the Uncle Sam Diamond, from the National Gem Collection at the Smithsonian Institution National Museum of Natural History. These are among the largest and finest American Diamonds, originating from the only two locations where diamonds have been mined in the United States. The 16.87-carat, cushion-cut Freedom Diamond, in a ring setting, was cut from a 28.18 carat diamond crystal mined from Kelsey Lake, Colorado in 1997. It is the largest faceted diamond from the United States, and is a gift of Robert E. and Kathy G. Mau. The largest faceted diamond from Arkansas, the 12.42-carat, emerald-cut Uncle Sam Diamond was fashioned from a 40.23-carat crystal discovered at Crater of Diamonds in 1924, which is the largest diamond ever found in the United States. The Uncle Sam Diamond is a gift of Dr. Peter Buck

Catalog number G11740, the Freedom Diamond, and catalog number G11741, the Uncle Sam Diamond, from the National Gem Collection at the Smithsonian Institution National Museum of Natural History. These are among the largest and finest American Diamonds, originating from the only two locations where diamonds have been mined in the United States. The 16.87-carat, cushion-cut Freedom Diamond, in a ring setting, was cut from a 28.18 carat diamond crystal mined from Kelsey Lake, Colorado in 1997. It is the largest faceted diamond from the United States, and is a gift of Robert E. and Kathy G. Mau. The largest faceted diamond from Arkansas, the 12.42-carat, emerald-cut Uncle Sam Diamond was fashioned from a 40.23-carat crystal discovered at Crater of Diamonds in 1924, which is the largest diamond ever found in the United States. The Uncle Sam Diamond is a gift of Dr. Peter Buck

Four American diamonds from the National Gem and Mineral Collection at the Smithsonian Institution National Museum of Natural History. Catalog numbers include: 171594, an uncut, 6.45-carat diamond crystal; G11740, the Freedom Diamond; G11741, the Uncle Sam Diamond; and R2, an uncut, yellow diamond crystal. These diamonds are among the largest and finest American diamonds, and originate from the only two locations where diamonds have been mined in the United States: Kelsey Lake, Colorado from 1996 to 2001, and Crater of Diamonds, Murfreesboro, Arkansas from 1919 to 1926. Although producing tens of thousands of carats of rough diamonds, neither mining venture was commercially successful. The Kelsey Lake mine is closed and reclaimed, and Crater of Diamonds is now an Arkansas state park where visitors can search for and keep the diamonds they find - typically about 600 per year. The Freedom Diamond and clear diamond crystal originate from Kelsey Lake, while the Uncle Sam Diamond and yellow diamond crystal originate from Crater of Diamonds. The Freedom Diamond is a gift of Robert E. and Kathy G. Mau. The Uncle Sam Diamond is a gift of Dr. Peter Buck. And, the yellow Arkansas diamond crystal is a gift of John A. Roebling

Four American diamonds from the National Gem and Mineral Collection at the Smithsonian Institution National Museum of Natural History. Catalog numbers include: 171594, an uncut, 6.45-carat diamond crystal; G11740, the Freedom Diamond; G11741, the Uncle Sam Diamond; and R2, an uncut, yellow diamond crystal. These diamonds are among the largest and finest American diamonds, and originate from the only two locations where diamonds have been mined in the United States: Kelsey Lake, Colorado from 1996 to 2001, and Crater of Diamonds, Murfreesboro, Arkansas from 1919 to 1926. Although producing tens of thousands of carats of rough diamonds, neither mining venture was commercially successful. The Kelsey Lake mine is closed and reclaimed, and Crater of Diamonds is now an Arkansas state park where visitors can search for and keep the diamonds they find - typically about 600 per year. The Freedom Diamond and clear diamond crystal originate from Kelsey Lake, while the Uncle Sam Diamond and yellow diamond crystal originate from Crater of Diamonds. The Freedom Diamond is a gift of Robert E. and Kathy G. Mau. The Uncle Sam Diamond is a gift of Dr. Peter Buck. And, the yellow Arkansas diamond crystal is a gift of John A. Roebling

Four American diamonds from the National Gem and Mineral Collection at the Smithsonian Institution National Museum of Natural History. Catalog numbers include: 171594, an uncut, 6.45-carat diamond crystal; G11740, the Freedom Diamond; G11741, the Uncle Sam Diamond; and R2, an uncut, yellow diamond crystal. These diamonds are among the largest and finest American diamonds, and originate from the only two locations where diamonds have been mined in the United States: Kelsey Lake, Colorado from 1996 to 2001, and Crater of Diamonds, Murfreesboro, Arkansas from 1919 to 1926. Although producing tens of thousands of carats of rough diamonds, neither mining venture was commercially successful. The Kelsey Lake mine is closed and reclaimed, and Crater of Diamonds is now an Arkansas state park where visitors can search for and keep the diamonds they find - typically about 600 per year. The Freedom Diamond and clear diamond crystal originate from Kelsey Lake, while the Uncle Sam Diamond and yellow diamond crystal originate from Crater of Diamonds. The Freedom Diamond is a gift of Robert E. and Kathy G. Mau. The Uncle Sam Diamond is a gift of Dr. Peter Buck. And, the yellow Arkansas diamond crystal is a gift of John A. Roebling

Four American diamonds from the National Gem and Mineral Collection at the Smithsonian Institution National Museum of Natural History. Catalog numbers include: 171594, an uncut, 6.45-carat diamond crystal; G11740, the Freedom Diamond; G11741, the Uncle Sam Diamond; and R2, an uncut, yellow diamond crystal. These diamonds are among the largest and finest American diamonds, and originate from the only two locations where diamonds have been mined in the United States: Kelsey Lake, Colorado from 1996 to 2001, and Crater of Diamonds, Murfreesboro, Arkansas from 1919 to 1926. Although producing tens of thousands of carats of rough diamonds, neither mining venture was commercially successful. The Kelsey Lake mine is closed and reclaimed, and Crater of Diamonds is now an Arkansas state park where visitors can search for and keep the diamonds they find - typically about 600 per year. The Freedom Diamond and clear diamond crystal originate from Kelsey Lake, while the Uncle Sam Diamond and yellow diamond crystal originate from Crater of Diamonds. The Freedom Diamond is a gift of Robert E. and Kathy G. Mau. The Uncle Sam Diamond is a gift of Dr. Peter Buck. And, the yellow Arkansas diamond crystal is a gift of John A. Roebling

Four American diamonds from the National Gem and Mineral Collection at the Smithsonian Institution National Museum of Natural History. Catalog numbers include: 171594, an uncut, 6.45-carat diamond crystal; G11740, the Freedom Diamond; G11741, the Uncle Sam Diamond; and R2, an uncut, yellow diamond crystal. These diamonds are among the largest and finest American diamonds, and originate from the only two locations where diamonds have been mined in the United States: Kelsey Lake, Colorado from 1996 to 2001, and Crater of Diamonds, Murfreesboro, Arkansas from 1919 to 1926. Although producing tens of thousands of carats of rough diamonds, neither mining venture was commercially successful. The Kelsey Lake mine is closed and reclaimed, and Crater of Diamonds is now an Arkansas state park where visitors can search for and keep the diamonds they find - typically about 600 per year. The Freedom Diamond and clear diamond crystal originate from Kelsey Lake, while the Uncle Sam Diamond and yellow diamond crystal originate from Crater of Diamonds. The Freedom Diamond is a gift of Robert E. and Kathy G. Mau. The Uncle Sam Diamond is a gift of Dr. Peter Buck. And, the yellow Arkansas diamond crystal is a gift of John A. Roebling

Four American diamonds from the National Gem and Mineral Collection at the Smithsonian Institution National Museum of Natural History. Catalog numbers include: 171594, an uncut, 6.45-carat diamond crystal; G11740, the Freedom Diamond; G11741, the Uncle Sam Diamond; and R2, an uncut, yellow diamond crystal. These diamonds are among the largest and finest American diamonds, and originate from the only two locations where diamonds have been mined in the United States: Kelsey Lake, Colorado from 1996 to 2001, and Crater of Diamonds, Murfreesboro, Arkansas from 1919 to 1926. Although producing tens of thousands of carats of rough diamonds, neither mining venture was commercially successful. The Kelsey Lake mine is closed and reclaimed, and Crater of Diamonds is now an Arkansas state park where visitors can search for and keep the diamonds they find - typically about 600 per year. The Freedom Diamond and clear diamond crystal originate from Kelsey Lake, while the Uncle Sam Diamond and yellow diamond crystal originate from Crater of Diamonds. The Freedom Diamond is a gift of Robert E. and Kathy G. Mau. The Uncle Sam Diamond is a gift of Dr. Peter Buck. And, the yellow Arkansas diamond crystal is a gift of John A. Roebling

Four American diamonds from the National Gem and Mineral Collection at the Smithsonian Institution National Museum of Natural History. Catalog numbers include: 171594, an uncut, 6.45-carat diamond crystal; G11740, the Freedom Diamond; G11741, the Uncle Sam Diamond; and R2, an uncut, yellow diamond crystal. These diamonds are among the largest and finest American diamonds, and originate from the only two locations where diamonds have been mined in the United States: Kelsey Lake, Colorado from 1996 to 2001, and Crater of Diamonds, Murfreesboro, Arkansas from 1919 to 1926. Although producing tens of thousands of carats of rough diamonds, neither mining venture was commercially successful. The Kelsey Lake mine is closed and reclaimed, and Crater of Diamonds is now an Arkansas state park where visitors can search for and keep the diamonds they find - typically about 600 per year. The Freedom Diamond and clear diamond crystal originate from Kelsey Lake, while the Uncle Sam Diamond and yellow diamond crystal originate from Crater of Diamonds. The Freedom Diamond is a gift of Robert E. and Kathy G. Mau. The Uncle Sam Diamond is a gift of Dr. Peter Buck. And, the yellow Arkansas diamond crystal is a gift of John A. Roebling

Four American diamonds from the National Gem and Mineral Collection at the Smithsonian Institution National Museum of Natural History. Catalog numbers include: 171594, an uncut, 6.45-carat diamond crystal; G11740, the Freedom Diamond; G11741, the Uncle Sam Diamond; and R2, an uncut, yellow diamond crystal. These diamonds are among the largest and finest American diamonds, and originate from the only two locations where diamonds have been mined in the United States: Kelsey Lake, Colorado from 1996 to 2001, and Crater of Diamonds, Murfreesboro, Arkansas from 1919 to 1926. Although producing tens of thousands of carats of rough diamonds, neither mining venture was commercially successful. The Kelsey Lake mine is closed and reclaimed, and Crater of Diamonds is now an Arkansas state park where visitors can search for and keep the diamonds they find - typically about 600 per year. The Freedom Diamond and clear diamond crystal originate from Kelsey Lake, while the Uncle Sam Diamond and yellow diamond crystal originate from Crater of Diamonds. The Freedom Diamond is a gift of Robert E. and Kathy G. Mau. The Uncle Sam Diamond is a gift of Dr. Peter Buck. And, the yellow Arkansas diamond crystal is a gift of John A. Roebling

Four American diamonds from the National Gem and Mineral Collection at the Smithsonian Institution National Museum of Natural History. Catalog numbers include: 171594, an uncut, 6.45-carat diamond crystal; G11740, the Freedom Diamond; G11741, the Uncle Sam Diamond; and R2, an uncut, yellow diamond crystal. These diamonds are among the largest and finest American diamonds, and originate from the only two locations where diamonds have been mined in the United States: Kelsey Lake, Colorado from 1996 to 2001, and Crater of Diamonds, Murfreesboro, Arkansas from 1919 to 1926. Although producing tens of thousands of carats of rough diamonds, neither mining venture was commercially successful. The Kelsey Lake mine is closed and reclaimed, and Crater of Diamonds is now an Arkansas state park where visitors can search for and keep the diamonds they find - typically about 600 per year. The Freedom Diamond and clear diamond crystal originate from Kelsey Lake, while the Uncle Sam Diamond and yellow diamond crystal originate from Crater of Diamonds. The Freedom Diamond is a gift of Robert E. and Kathy G. Mau. The Uncle Sam Diamond is a gift of Dr. Peter Buck. And, the yellow Arkansas diamond crystal is a gift of John A. Roebling

Catalog number R2, an uncut yellow diamond crystal, and catalog number G11741, the Uncle Sam Diamond, from the National Gem and Mineral Collection at the Smithsonian Institution National Museum of Natural History. Both of these diamonds - among the largest and finest diamonds found in the United States - originated from Crater of Diamonds, Murfreesboro, Arkansas, one of only two locations in the United States where diamonds have been mined, the other being Kelsey Lake, Colorado. Crater of Diamonds is now an Arkansas state park where visitors can search for anad keep the diamonds they find - typically about 600 per year. The diamond crystal, at 17.85 carats, is one of the largest uncut diamond crystals from Arkansas and is a gift of John A. Roebling. The Uncle Sam Diamond, at 12.42 carats, is the largest faceted diamond from Arkansas, and is a gift of Dr. Peter Buck

Catalog number R2, an uncut yellow diamond crystal, and catalog number G11741, the Uncle Sam Diamond, from the National Gem and Mineral Collection at the Smithsonian Institution National Museum of Natural History. Both of these diamonds - among the largest and finest diamonds found in the United States - originated from Crater of Diamonds, Murfreesboro, Arkansas, one of only two locations in the United States where diamonds have been mined, the other being Kelsey Lake, Colorado. Crater of Diamonds is now an Arkansas state park where visitors can search for anad keep the diamonds they find - typically about 600 per year. The diamond crystal, at 17.85 carats, is one of the largest uncut diamond crystals from Arkansas and is a gift of John A. Roebling. The Uncle Sam Diamond, at 12.42 carats, is the largest faceted diamond from Arkansas, and is a gift of Dr. Peter Buck

Catalog number R2, an uncut yellow diamond crystal, and catalog number G11741, the Uncle Sam Diamond, from the National Gem and Mineral Collection at the Smithsonian Institution National Museum of Natural History. Both of these diamonds - among the largest and finest diamonds found in the United States - originated from Crater of Diamonds, Murfreesboro, Arkansas, one of only two locations in the United States where diamonds have been mined, the other being Kelsey Lake, Colorado. Crater of Diamonds is now an Arkansas state park where visitors can search for anad keep the diamonds they find - typically about 600 per year. The diamond crystal, at 17.85 carats, is one of the largest uncut diamond crystals from Arkansas and is a gift of John A. Roebling. The Uncle Sam Diamond, at 12.42 carats, is the largest faceted diamond from Arkansas, and is a gift of Dr. Peter Buck

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Taxon:: Diamond - Primary

Notes:: Gift of Peter Buck
Record Last Modified:: 17 Sep 2024
Specimen Count:: 1

Other Numbers:: IGSN ID : 10.58151/NHB0088B4
USNM Number:: NMNH G11741

Cut:: Rectangular Emerald
Weight:: 12.42 ct

Place:: Prairie Creek mine, Pike Co., Arkansas, United States, North America

See more items in:: Mineral Sciences; Gems; NMNH - Mineral Sciences Dept.

Record ID:: nmnhmineralsciences_16580233

GUID (Link to Original Record):: http://n2t.net/ark:/65665/37ae8ce54-8fbf-4242-9011-cb40051310cc

Open Access Online Media:: Creative Commons Zero; These media are in the public domain (free of copyright restrictions). You can copy, modify, and distribute this work without contacting the Smithsonian. For more information, visit the Smithsonian's Terms of Use.