Round Diamond

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1 Carat Diamond

A 1 Carat Diamond is a timeless choice, symbolizing luxury and commitment.

This size offers a perfect balance of size, brilliance, and value, making it a popular choice for engagement rings and high-end jewelry.

A 1 carat diamond is sure to impress and become a cherished piece in any collection.

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View 534 items
1 Carat Heart Shape Cut Natural Diamond - D SI1 - 0.9ct - EX Symmetry Grade - Diamonds By Rothschild
 

1 Carat Heart Shape Cut Natural Diamond - D SI1 - 0.9ct - EX Symmetry Grade

$1,762.56
1 Carat Heart Shape Cut Natural Diamond - D SI1 - 0.9ct - VG Symmetry Grade - Diamonds By Rothschild
 

1 Carat Heart Shape Cut Natural Diamond - D SI1 - 0.9ct - VG Symmetry Grade

$1,762.56
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1 Carat Oval - Natural Diamond - 0.9 - F - SI1 - EX - VG

$1,756.80
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1 Carat Round Cut Diamond - J SI1 - 0.90ct - 237842

$1,753.92
1 Carat Natural Diamond - PEAR - Diamonds By Rothschild
 

1 Carat Natural Diamond - PEAR

$1,753.92
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1 Carat Emerald - Natural Diamond - 0.9 - I - VS1 - EX - VG

$1,751.04
1 Carat Princess - Natural Diamond - 1.01 - I - VS2 - EX - VG - Diamonds By Rothschild
 

1 Carat Princess - Natural Diamond - 1.01 - I - VS2 - EX - VG

$1,733.97
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1 Carat Old Mine Cut Diamond - L SI2 - 0.95ct - 243047

$1,732.52
1 Carat Heart Shape Cut Natural Diamond - D SI2 - 0.9ct - VG Symmetry Grade - Diamonds By Rothschild
 

1 Carat Heart Shape Cut Natural Diamond - D SI2 - 0.9ct - VG Symmetry Grade

$1,728.00
1 Carat Heart Shape Cut Natural Diamond - D SI2 - 0.9ct - VG Symmetry Grade - Diamonds By Rothschild
 

1 Carat Heart Shape Cut Natural Diamond - D SI2 - 0.9ct - VG Symmetry Grade

$1,728.00
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1 Carat Emerald - Natural Diamond - 1.05 - I - SI1 - EX - EX

$1,720.32
1 Carat Emerald - Natural Diamond - 1.01 - I - SI2 - VG - VG - Diamonds By Rothschild
 

1 Carat Emerald - Natural Diamond - 1.01 - I - SI2 - VG - VG

$1,719.42
1 Carat Natural Diamond - ASSCHER - Diamonds By Rothschild
 

1 Carat Natural Diamond - ASSCHER

$1,713.60
1 Carat Radiant - Natural Diamond - 1.01 - G - SI2 - EX - VG - Diamonds By Rothschild
 

1 Carat Radiant - Natural Diamond - 1.01 - G - SI2 - EX - VG

$1,706.50
1 Carat Radiant - Natural Diamond - 1.01 - I - SI1 - VG - VG - Diamonds By Rothschild
 

1 Carat Radiant - Natural Diamond - 1.01 - I - SI1 - VG - VG

$1,706.50
1 Carat Radiant - Natural Diamond - 1.01 - G - SI2 - EX - EX - Diamonds By Rothschild
 

1 Carat Radiant - Natural Diamond - 1.01 - G - SI2 - EX - EX

$1,706.50
1 Carat Radiant - Natural Diamond - 1.01 - G - SI2 - EX - VG - Diamonds By Rothschild
 

1 Carat Radiant - Natural Diamond - 1.01 - G - SI2 - EX - VG

$1,706.50
1 Carat Radiant - Natural Diamond - 1.01 - G - SI2 - EX - VG - Diamonds By Rothschild
 

1 Carat Radiant - Natural Diamond - 1.01 - G - SI2 - EX - VG

$1,706.50
1 Carat Natural Diamond - RADIANT - Diamonds By Rothschild
 

1 Carat Natural Diamond - RADIANT

$1,706.50
1 Carat Heart Shape Cut Natural Diamond - D SI2 - 0.91ct - EX Symmetry Grade - Diamonds By Rothschild
 

1 Carat Heart Shape Cut Natural Diamond - D SI2 - 0.91ct - EX Symmetry Grade

$1,703.52
1 Carat Radiant - Natural Diamond - 1.01 - F - SI2 - EX - VG - Diamonds By Rothschild
 

1 Carat Radiant - Natural Diamond - 1.01 - F - SI2 - EX - VG

$1,696.80
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1 Carat Round Cut Recycled Diamond - O-P I1 - 1.21ct - 250053

$1,694.00
1 Carat Princess - Natural Diamond - 1 - G - SI2 - EX - VG - Diamonds By Rothschild
 

1 Carat Princess - Natural Diamond - 1 - G - SI2 - EX - VG

$1,689.60
1 Carat Radiant - Natural Diamond - 1.01 - I - SI2 - EX - VG - Diamonds By Rothschild
 

1 Carat Radiant - Natural Diamond - 1.01 - I - SI2 - EX - VG

$1,674.18
Variety of loose diamonds shapes for sale online

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Our hand-selected collection of natural diamonds are sustainable, and ethically sourced.

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The Rothschild Letter

Quiet dispatches on craft, stones, and ceremony.

Occasional notes from our workshop — new arrivals, private previews, and the stories behind the pieces. Never more than twice a month.