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Cushion|Lab Grown|IGI

3.08ct F SI1 Cushion Lab Grown Diamond

ID • F/SI1 • IGI LG653444806

Shape and cutting style on the report: Square cushion brilliant

Certificate IGI LG653444806

Diamond specifications and retailer prices

From $590 SGD
As of November 6, 2026
Save $1,935 SGD (77%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $2,525 SGD at Rare Carat · As of November 1, 2026
View at Rare Carat

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 LG653444806 or 653444806. Listed at 10 retailers as of November 1, 2026, with prices from $590 to $2,525, a $1,935 spread on the same certified stone. Rare Carat lists it at $2,525. 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 angle36°
Pavilion angle40.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG653444806
Dimensions8.63 × 8.48 × 5.61 mm
L/W Ratio1.02
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
8.63 mm8.48 mm3.08 ctF / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG653444806
Side View
Table 65.0%Crown 36°Girdle: MED-STKPavilion 40.1°Culet: NoneDepth 66.2%

Caratlytics Score

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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: $2,525 SGD|Low: $590 SGD|High: $6,421 SGD|Avg: $1,941 SGD
Rare Carat
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 6, 2026
Retailer 10$590 SGD
Retailer 5$650 SGD
Retailer 8$731 SGD
Retailer 12$863 SGD
Retailer 2$866 SGD
Retailer 9$943 SGD
Retailer 6$948 SGD
Retailer 11$1,320 SGD
Retailer 7$2,136 SGD
Rare Carat$2,525 SGD
Retailer 3$4,980 SGD
Retailer 4$6,421 SGD

10 data points across 12 retailers

10 retailers$590 SGD to $2,525 SGD

A
Cheapest Retailer
-
$590 SGD
A
Retailer 2
-
$650 SGD
View
A
Retailer 3
-
$731 SGD
View
B+
Retailer 4
-
$863 SGD
View
A
Retailer 5
-
$866 SGD
View
A
Retailer 6
-
$943 SGD
View
A
Retailer 7
-
$948 SGD
View
A
Retailer 8
-
$1,320 SGD
View
B+
Retailer 9
-
$2,136 SGD
View
Most Expensive
B
Rare Carat
KI8064448KF653 · Nov 1
$2,525 SGD
$1,970 USD
View
9 more retailers have this diamond
Prices start from $590 SGDSave up to $1,935 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
$590 SGD