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Cushion|Lab Grown|IGI

3.06ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG602313365

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG602313365

Diamond specifications and retailer prices

From $409 USD
As of November 6, 2026
Save $2,161 USD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $2,570 USD at Brilliant Earth · As of November 6, 2026
View at Brilliant Earth

About this 3.06ct lab-grown cushion diamond

This 3.06ct 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 LG602313365 or 602313365. Listed at 12 retailers as of November 6, 2026, with prices from $409 to $2,570, a $2,161 spread on the same certified stone. Brilliant Earth lists it at $2,570. 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

3.06
Carat
F
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.7°
Pavilion angle33.5°
OriginLab Grown
Grading LabIGI
CertificateIGI LG602313365
Dimensions8.37 × 7.84 × 5.29 mm
L/W Ratio1.07
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
8.37 mm7.84 mm3.06 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG602313365
Side View
Table 61.0%Crown 34.7°Girdle: MED-THKPavilion 33.5°Culet: NoneDepth 67.5%

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: $2,570 USD|Low: $409 USD|High: $2,990 USD|Avg: $1,138 USD|-13.5%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 6, 2026
Retailer 11$409 USD
Retailer 8$453 USD
Retailer 7$715 USD
Retailer 10$724 USD
Retailer 2$754 USD
Retailer 3$768 USD
Retailer 4$808 USD
Retailer 6$1,180 USD
Retailer 5$1,765 USD
Retailer 9$1,980 USD
Brilliant Earth$2,570 USD

44 data points across 11 retailers

12 retailers$409 USD to $2,570 USD

A
Cheapest Retailer
-
$409 USD
Final sale: no returns
Retailer 2
-
$453 USD
View
Price last confirmed 12 days ago
A
Retailer 3
-
$715 USD
View
B+
Retailer 4
-
$724 USD
View
A
Retailer 5
-
$754 USD
View
Retailer 6
-
$768 USD
View
Price last confirmed 8 days ago
A
Retailer 7
-
$808 USD
View
A
Retailer 8
-
$1,029 USD
View
B+
Retailer 9
-
$1,180 USD
View
B+
Retailer 10
-
$1,765 USD
View
Retailer 11
-
$1,980 USD
View
Price last confirmed 32 days ago
Most Expensive
B
Brilliant Earth
8559581A · Nov 6
$2,570 USD
View
11 more retailers have this diamond
Prices start from $409 USDSave up to $2,161 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
3.06ct Cushion
$409 USD