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Cushion|Lab Grown|IGI

3.08ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG607388765

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG607388765

Diamond specifications and retailer prices

From $820 SGD
As of November 5, 2026
Save $2,666 SGD (76%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $3,486 SGD at Brilliant Earth · As of November 4, 2026
View at Brilliant Earth

About this 3.08ct lab-grown cushion diamond

This 3.08ct 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 LG607388765 or 607388765. Listed at 10 retailers as of November 4, 2026, with prices from $820 to $3,486, a $2,666 spread on the same certified stone. Brilliant Earth lists it at $3,486. 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

3.08
Carat
F
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.8°
Pavilion angle38.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG607388765
Dimensions8.55 × 8.38 × 5.49 mm
L/W Ratio1.02
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
8.55 mm8.38 mm3.08 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG607388765
Side View
Table 63.0%Crown 35.8°Girdle: MED-THKPavilion 38.7°Culet: NoneDepth 65.5%

Caratlytics Score

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A
Excellent
Excellent quality and great value
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Price History

Last verified: Nov 5
Current: $3,486 SGD|Low: $631 SGD|High: $4,063 SGD|Avg: $1,600 SGD|-14.2%
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 5, 2026
Retailer 9$631 SGD
Retailer 10$775 SGD
Retailer 7$820 SGD
Retailer 6$920 SGD
Retailer 3$1,002 SGD
Retailer 2$1,025 SGD
Retailer 11$1,119 SGD
Retailer 12$1,348 SGD
Retailer 5$2,463 SGD
Retailer 8$2,525 SGD
Retailer 4$3,066 SGD
Brilliant Earth$3,486 SGD

40 data points across 12 retailers

10 retailers$820 SGD to $3,486 SGD

Retailer 1
-
$631 SGD
Price last confirmed 12 days ago
A
Retailer 2
-
$820 SGD
View
A
Retailer 3
-
$920 SGD
View
B+
Retailer 4
-
$1,002 SGD
View
A
Retailer 5
-
$1,025 SGD
View
A
Retailer 6
-
$1,119 SGD
View
A
Retailer 7
-
$1,348 SGD
View
B
Retailer 8
-
$2,463 SGD
View
B
Retailer 9
-
$3,066 SGD
View
Most Expensive
B
Brilliant Earth
8587033A · Nov 4
$3,486 SGD
$2,720 USD
View
9 more retailers have this diamond
Prices start from $820 SGDSave up to $2,666 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
3.08ct Cushion
$820 SGD