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Cushion|Lab Grown|IGI

3.06ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG522237342

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG522237342

Diamond specifications and retailer prices

From $631 USD
As of November 6, 2026
Save $2,479 USD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,110 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 LG522237342 or 522237342. Listed at 9 retailers as of November 6, 2026, with prices from $631 to $3,110, a $2,479 spread on the same certified stone. Brilliant Earth lists it at $3,110. 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 angle35.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG522237342
Dimensions8.50 × 8.34 × 5.57 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Top View
8.50 mm8.34 mm3.06 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG522237342
Side View
Table 63.5%Crown 35.3°Girdle: STK-VTKPavilion 41.1°Culet: NoneDepth 66.8%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $3,110 USD|Low: $599 USD|High: $3,420 USD|Avg: $1,476 USD|-9.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8$631 USD
Retailer 6$699 USD
Retailer 3$830 USD
Retailer 7$976 USD
Retailer 5$1,077 USD
Retailer 2$1,080 USD
Retailer 4$3,035 USD
Brilliant Earth$3,110 USD

43 data points across 8 retailers

9 retailers$631 USD to $3,110 USD

A
Cheapest Retailer
-
$631 USD
Final sale: no returns
Retailer 2
-
$699 USD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$830 USD
View
A
Retailer 4
-
$976 USD
View
A
Retailer 5
-
$1,077 USD
View
A
Retailer 6
-
$1,080 USD
View
B
Retailer 7
-
$2,201 USD
View
B
Retailer 8
-
$3,035 USD
View
Most Expensive
B
Brilliant Earth
17972593A · Nov 6
$3,110 USD
View
8 more retailers have this diamond
Prices start from $631 USDSave up to $2,479 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
$631 USD