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Cushion|Lab Grown|IGI

3.01ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG536278998

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG536278998

Diamond specifications and retailer prices

From $443 USD
As of November 6, 2026
Save $3,177 USD (88%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $3,620 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 F colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG536278998 or 536278998. Listed at 13 retailers as of November 6, 2026, with prices from $443 to $3,620, a $3,177 spread on the same certified stone. Brilliant Earth lists it at $3,620. 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
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32°
Pavilion angle39.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG536278998
Dimensions8.69 × 8.43 × 5.39 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
8.69 mm8.43 mm3.01 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG536278998
Side View
Table 63.0%Crown 32°Girdle: MED-THKPavilion 39.4°Culet: NoneDepth 63.9%

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: $3,620 USD|Low: $443 USD|High: $3,690 USD|Avg: $1,344 USD|+4.3%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 8$443 USD
Retailer 6$491 USD
Retailer 5$575 USD
Retailer 2$816 USD
Retailer 9$869 USD
Retailer 4$885 USD
Retailer 7$1,756 USD
Retailer 3$1,985 USD
Brilliant Earth$3,620 USD

44 data points across 9 retailers

13 retailers$443 USD to $3,620 USD

A
Cheapest Retailer
-
$443 USD
Final sale: no returns
Retailer 2
-
$491 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$575 USD
View
B+
Retailer 4
-
$648 USD
View
A
Retailer 5
-
$816 USD
View
A
Retailer 6
-
$818 USD
View
A
Retailer 7
-
$869 USD
View
A
Retailer 8
-
$885 USD
View
B+
Retailer 9
-
$1,556 USD
View
B+
Retailer 10
-
$1,756 USD
View
B+
Retailer 11
-
$1,985 USD
View
B
Retailer 12
-
$3,520 USD
View
Most Expensive
B
Brilliant Earth
16513574A · Nov 6
$3,620 USD
View
12 more retailers have this diamond
Prices start from $443 USDSave up to $3,177 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
$443 USD