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Cushion|Lab Grown|IGI

1.50ct D SI1 Cushion Lab Grown Diamond

ID • D/SI1 • IGI LG547262691

Shape and cutting style on the report: Cushion brilliant

Certificate IGI LG547262691

Diamond specifications and retailer prices

From $355 SGD
$278 USD
As of November 1, 2026
Save $1,221 SGD (77%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,576 SGD at MOH London · As of November 1, 2026
View at MOH London

About this 1.5ct lab-grown cushion diamond

This 1.5ct lab-grown cushion sits in the one-and-a-half to two carat band, graded D colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG547262691 or 547262691. Listed at 12 retailers as of November 1, 2026, with prices from $355 to $1,576, a $1,221 spread on the same certified stone. MOH London lists it at $1,576. 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

1.50
Carat
D
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.1°
Pavilion angle38°
OriginLab Grown
Grading LabIGI
CertificateIGI LG547262691
Dimensions7.71 × 6.18 × 4.06 mm
L/W Ratio1.25
Girdle conditionFaceted
Culet sizePointed
Cert comments
As Grown - No indication of post-growth treatment This Laboratory Grown Diamond was created by High Pressure High Temperature (HPHT) growth process Type II
Top View
7.71 mm6.18 mm1.50 ctD / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG547262691
Side View
Table 60.0%Crown 35.1°Girdle: MED-THKPavilion 38°Culet: NoneDepth 65.7%

Caratlytics Score

How it works →
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 1
Current: $1,576 SGD|Low: $348 SGD|High: $1,598 SGD|Avg: $780 SGD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 1, 2026
Retailer 9$355 SGD
Retailer 7$394 SGD
Retailer 2$438 SGD
Retailer 8$531 SGD
Retailer 5$706 SGD
Retailer 10$712 SGD
Retailer 3$742 SGD
Retailer 6$988 SGD
Retailer 4$1,445 SGD
MOH London$1,576 SGD

43 data points across 10 retailers

12 retailers$355 SGD to $1,576 SGD

A
Cheapest Retailer
-
$355 SGD
$278 USD
Final sale: no returns
Retailer 2
-
$394 SGD
$308 USD
View
Price last confirmed 7 days ago
A
Retailer 3
-
$438 SGD
£270 GBP
View
B+
Retailer 4
-
$531 SGD
$415 USD
View
A
Retailer 5
-
$644 SGD
$504 USD
View
A
Retailer 6
-
$706 SGD
€526 EUR
View
B+
Retailer 7
-
$712 SGD
$557 USD
View
A
Retailer 8
-
$742 SGD
£457 GBP
View
B+
Retailer 9
-
$988 SGD
$773 USD
View
B
Retailer 10
-
$1,331 SGD
$1,041 USD
View
B
Retailer 11
-
$1,445 SGD
$1,130 USD
View
Most Expensive
B
MOH London
LG547262691 · Nov 1
$1,576 SGD
£971 GBP
View
11 more retailers have this diamond
Prices start from $355 SGDSave up to $1,221 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
1.50ct Cushion
$355 SGD