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IGI Graded Diamonds

Established in 1975, IGI diamond grading laboratory, also known as International Gemological Institute, has diamond labs worldwide with a major hub in the NYC Diamond District. IGI graded diamonds include certificates with security features, ensuring authenticity, are sold by jewelers throughout the United States.

Stone Shape

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Shape Carat Cut Color Clarity Price  Advanced » « Basic
Cushion Modified
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1.03GoodFSI2 $2,724
Round
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0.7GoodEVS2 $2,319
Pear
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1.15Very GoodISI2 $3,598
Cushion Modified
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0.55GoodESI2 $855
Cushion Modified
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0.92GoodDSI2 $2,247
Cushion Modified
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1.01GoodGSI2 $2,682
Radiant
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1.01GoodHSI2 $2,489
Round
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0.5GoodDVS1 $1,547
Round
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0.7GoodESI2 $1,498
Round
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0.7GoodGSI2 $1,554
Round
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0.92GoodDSI2 $3,259
Radiant
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0.72GoodESI2 $1,369
Round
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0.5GoodDVS1 $1,438
Cushion Modified
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0.91GoodFSI2 $1,965.20
Cushion Brilliant
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1.01NADSI2 $2,783.13
Round
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0.5GoodDVS1 $1,493
Round
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0.51GoodDSI2 $1,225
Radiant
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0.83GoodFSI2 $1,776
Round
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0.5GoodDVS1 $1,493
Round
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0.7GoodDSI1 $2,135
Round
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0.7GoodDSI1 $2,213
Round
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0.71GoodIIF $1,960
Round
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0.7GoodESI2 $1,681
Round
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0.3GoodDVS1 $717
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Diamonds

At Excel Diamonds, we feature thousands of certified loose diamonds in all different shapes, qualities and sizes, including pear shape diamonds, round diamonds, ideal cut diamonds, hearts & arrows diamonds, princess cut diamonds, radiant cut diamonds, heart shape diamonds, marquise diamonds, cushion cut diamonds, asscher cut diamonds, oval cut diamonds and emerald cut diamonds. Our loose diamonds have been certified and graded by the foremost authorities in Gemology; GIA and AGS. A GIA certified loose diamond, or an AGS certified loose diamond, is your guarantee of the highest standards and accuracy in diamond grading.