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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 $809 SGD
As of November 6, 2026
Save $3,177 SGD (80%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $3,986 SGD 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 $809 to $3,986, a $3,177 spread on the same certified stone. Brilliant Earth lists it at $3,986. 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
Colour
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

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 6
Current: $3,986 SGD|Low: $768 SGD|High: $4,383 SGD|Avg: $1,892 SGD|-9.1%
Brilliant Earth
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 5, 2026
Retailer 8$809 SGD
Retailer 6$896 SGD
Retailer 3$1,064 SGD
Retailer 7$1,251 SGD
Retailer 5$1,380 SGD
Retailer 2$1,384 SGD
Retailer 4$3,890 SGD
Brilliant Earth$3,986 SGD

43 data points across 8 retailers

9 retailers$809 SGD to $3,986 SGD

A
Cheapest Retailer
-
$809 SGD
Final sale: no returns
Retailer 2
-
$896 SGD
View
Price last confirmed 21 days ago
A
Retailer 3
-
$1,064 SGD
View
A
Retailer 4
-
$1,251 SGD
View
A
Retailer 5
-
$1,380 SGD
View
A
Retailer 6
-
$1,384 SGD
View
B
Retailer 7
-
$2,821 SGD
View
B
Retailer 8
-
$3,890 SGD
View
Most Expensive
B
Brilliant Earth
17972593A · Nov 6
$3,986 SGD
$3,110 USD
View
8 more retailers have this diamond
Prices start from $809 SGDSave up to $3,177 SGD

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
$809 SGD