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Cushion|Lab Grown|IGI

1.81ct D SI2 Cushion Lab Grown Diamond

ID • D/SI2 • IGI LG719519152

Shape and cutting style on the report: Square cushion modified brilliant

Certificate IGI LG719519152

Diamond specifications and retailer prices

From $304 SGD
As of November 7, 2026
Save $1,586 SGD (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,890 SGD at Diamond Quarter · As of November 5, 2026
View at Diamond Quarter

About this 1.81ct lab-grown cushion diamond

This 1.81ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG719519152 or 719519152. Listed at 12 retailers as of November 5, 2026, with prices from $304 to $1,890, a $1,586 spread on the same certified stone. Diamond Quarter lists it at $1,890. 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

1.81
Carat
D
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36.7°
Pavilion angle28.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG719519152
Dimensions6.71 × 6.54 × 4.40 mm
L/W Ratio1.03
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
6.71 mm6.54 mm1.81 ctD / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG719519152
Side View
Table 66.0%Crown 36.7°Girdle: MED-VTKPavilion 28.3°Culet: NoneDepth 67.3%

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 7
Current: $304 SGD|Low: $274 SGD|High: $2,589 SGD|Avg: $858 SGD|-3.3%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 7, 2026
Retailer 1$304 SGD
Retailer 11$305 SGD
Retailer 3$413 SGD
Retailer 6$508 SGD
Retailer 5$550 SGD
Retailer 2$746 SGD
Retailer 10$747 SGD
Retailer 7$793 SGD
Retailer 4$1,419 SGD
Retailer 9$1,487 SGD
Retailer 8$1,807 SGD

44 data points across 11 retailers

12 retailers$304 SGD to $1,890 SGD

A
Cheapest Retailer
-
$304 SGD
Final sale: no returns
A
Retailer 2
-
$305 SGD
View
B+
Retailer 3
-
$413 SGD
View
A
Retailer 4
-
$508 SGD
View
A
Retailer 5
-
$550 SGD
View
A
Retailer 6
-
$746 SGD
View
A
Retailer 7
-
$747 SGD
View
B+
Retailer 8
-
$793 SGD
View
B+
Retailer 9
-
$1,419 SGD
View
B
Retailer 10
-
$1,487 SGD
View
B
Retailer 11
-
$1,807 SGD
View
Most Expensive
B
Diamond Quarter
1.81SI2DLG595B42N · Nov 5
$1,890 SGD
£1,161 GBP
View
11 more retailers have this diamond
Prices start from $304 SGDSave up to $1,586 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
1.81ct Cushion
$304 SGD