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Cushion|Lab Grown|IGI

3.01ct E SI1 Cushion Lab Grown Diamond

ID • E/SI1 • IGI LG784687613

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG784687613

Diamond specifications and retailer prices

From $442 USD
As of November 6, 2026
Save $3,948 USD (90%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $4,390 USD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.01ct lab-grown cushion diamond

This 3.01ct lab-grown cushion sits in the three to five carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG784687613 or 784687613. Listed at 13 retailers as of November 6, 2026, with prices from $442 to $4,390, a $3,948 spread on the same certified stone. Brilliant Earth lists it at $4,390. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

3.01
Carat
E
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle39.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG784687613
Dimensions11.31 × 7.32 × 4.61 mm
L/W Ratio1.55
Girdle conditionFaceted
Culet sizeLarge
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
11.31 mm7.32 mm3.01 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG784687613
Side View
Table 68.0%Crown 35.7°Girdle: MED-STKPavilion 39.6°Culet: LargeDepth 63.0%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 6
Current: $4,390 USD|Low: $442 USD|High: $4,390 USD|Avg: $1,124 USD|+65.0%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 7, 2026
Retailer 3$442 USD
Retailer 10$491 USD
Retailer 6$640 USD
Retailer 7$782 USD
Retailer 5$798 USD
Retailer 8$840 USD
Retailer 12$869 USD
Retailer 11$970 USD
Retailer 4$988 USD
Retailer 2$1,661 USD
Retailer 9$1,929 USD
Brilliant Earth$4,390 USD

43 data points across 12 retailers

13 retailers$442 USD to $4,390 USD

A
Cheapest Retailer
-
$442 USD
Final sale: no returns
A
Retailer 2
-
$491 USD
View
A
Retailer 3
-
$640 USD
View
A
Retailer 4
-
$782 USD
View
A
Retailer 5
-
$798 USD
View
B+
Retailer 6
-
$840 USD
View
A
Retailer 7
-
$869 USD
View
A
Retailer 8
-
$970 USD
View
A
Retailer 9
-
$988 USD
View
B+
Retailer 10
-
$1,615 USD
View
B+
Retailer 11
-
$1,661 USD
View
Retailer 12
-
$1,929 USD
View
Price last confirmed 9 days ago
Most Expensive
B
Brilliant Earth
20664997A · Nov 6
$4,390 USD
View
12 more retailers have this diamond
Prices start from $442 USDSave up to $3,948 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.01ct Cushion
$442 USD