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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 Brilliant
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0.51NADSI2 $672.48
Princess
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1GoodKVS1 $1,664.30
Radiant
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0.7GoodKSI2 $629.74
Round
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0.5GoodDVS1 $1,466
Cushion Modified
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1.03GoodFSI2 $2,724
Round
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0.5GoodDVS2 $1,395
Round
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0.7GoodEVS2 $2,319
Pear
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1.15Very GoodISI2 $3,429.12
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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0.92GoodDSI2 $2,295
Cushion Modified
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1.01GoodGSI2 $2,853
Radiant
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1.01GoodHSI2 $2,648
Round
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0.5GoodDVS1 $1,426.30
Round
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0.7GoodDSI2 $1,726
Round
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0.7GoodDSI2 $1,726
Round
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0.7GoodESI2 $1,457
Round
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0.7GoodGSI2 $1,507
Round
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0.71GoodESI2 $1,779
Radiant
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0.72GoodESI2 $1,457
Radiant
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0.52GoodFSI2 $783
Round
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0.5GoodDVS1 $1,520
Cushion Modified
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0.51GoodLVS2 $517
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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.