Our Guarantee »

GIA Diamond Grading Laboratory

The GIA (Gemological Institute of America) has major lab headquarters in the New York City Diamond District as well as in Carlsbad, California. GIA is the acknowledged world leader in the gemological research of diamonds, fancy natural colored diamonds, semi precious stones, treatments, gemological education, and in the innovation of gemological instrumentation. Their grading of diamonds is world renowned and acknowledged for its accuracy, consistency, and stringency.

GIA was the second diamond lab after the AGS to come out with a cut grading system for the round brilliant cut shape in 2006. Their top grade is “Excellent” and a GIA Excellent cut grade diamond that also displays Excellent Symmetry and Excellent Polish is referred to as a “Triple X” by the Diamond Trade.

Stone Shape

Need Some Advice?  We're here to help
 
Compare
Shape Carat Cut Color Clarity Price  Advanced » « Basic
Princess
Photo Avail.
1.21GoodKVS1 $3,611
Heart
Photo Avail.
1.01GoodGSI1 $4,540.26
Heart
Photo Avail.
1.01GoodDSI1 $4,476
Round
Photo Avail.
1.01Very GoodISI1 $4,516
Princess
Photo Avail.
0.7Very GoodEVS2 $2,728
Princess
Photo Avail.
1.04GoodESI2 $4,468
Princess
Photo Avail.
1GoodEVS2 $5,798
Pear
Photo Avail.
1GoodDSI1 $5,719
Emerald
Photo Avail.
1Very GoodIVVS2 $3,574
Emerald
Photo Avail.
1.01Very GoodGSI2 $3,887
Pear
Photo Avail.
1GoodGSI1 $4,673.25
Princess
Photo Avail.
1.07Very GoodEVS1 $5,685
Princess
Photo Avail.
1Very GoodEVS1 $5,313
Princess
Photo Avail.
1GoodEVVS2 $5,742
Round
Photo Avail.
0.9ExcellentDSI2 $4,100
Round
Photo Avail.
0.97Very GoodESI2 $3,976
Emerald
Photo Avail.
1.03Very GoodJVVS2 $3,157
Emerald
Photo Avail.
1.11Very GoodJVVS2 $3,674
Pear
Photo Avail.
1GoodHVS1 $3,905
Emerald
Photo Avail.
1.11ExcellentGVS1 $4,518
Princess
Photo Avail.
1.03GoodFVS2 $4,042
Emerald
Photo Avail.
1.02Very GoodGVS1 $4,151
Emerald
Photo Avail.
1.08Very GoodFVS1 $4,244.52
Emerald
Photo Avail.
1.06ExcellentDVS2 $3,848
See Recommended Diamonds

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.