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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
Princess
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1.15GoodIVVS1 $4,040
Cushion
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0.51GoodDSI2 $865
Cushion Modified
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1.01GoodISI2 $2,248
Cushion
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0.7GoodESI2 $1,376
Radiant
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0.91GoodKSI2 $1,272
Princess
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1GoodKVS1 $1,908
Radiant
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0.7GoodKSI2 $801
Princess
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0.76GoodDSI2 $1,840
Round
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0.5GoodDVS1 $1,288.60
Round
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0.5GoodEVS1 $1,395
Round
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0.5GoodDVS1 $1,547
Round
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0.5GoodDVS2 $1,446
Cushion Modified
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1.03GoodFSI2 $2,724
Cushion Modified
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0.51GoodFSI2 $763
Round
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0.5GoodDVS2 $1,471
Round
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0.7GoodEVS2 $2,345
Pear
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1.15Very GoodISI2 $3,429.12
Round
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0.5GoodFVVS2 $1,428
Cushion Modified
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0.51GoodESI2 $797
Cushion Modified
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0.52GoodESI2 $841
Cushion Modified
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0.55GoodESI2 $902
Cushion Modified
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0.91GoodESI2 $2,353
Cushion Modified
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0.92GoodDSI2 $2,295
Cushion Modified
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1.01GoodGSI2 $2,853
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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.