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Round|Lab Grown|IGI

1.50ct J SI2 Round Lab Grown Diamond

EX • J/SI2 • IGI LG451057586

Shape and cutting style on the report: Round brilliant

Certificate IGI LG451057586

Diamond specifications and retailer prices

From $1,060 SGD
As of November 5, 2026
Save $4,192 SGD (80%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $5,253 SGD at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown round diamond

This 1.5ct lab-grown round sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451057586 or 451057586. Listed at 11 retailers as of November 5, 2026, with prices from $1,060 to $5,253, a $4,192 spread on the same certified stone. MOH London lists it at $5,253. 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
J
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451057586
Dimensions7.41 × 7.44 × 4.38 mm
L/W Ratio1.00
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
7.41 mm7.44 mm1.50 ctJ / SI2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451057586
Side View
Table 60.5%Crown 32.6°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 59.1%

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 5
Current: $5,253 SGD|Low: $1,060 SGD|High: $5,330 SGD|Avg: $2,301 SGD|-1.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
November 5, 2026
Retailer 6$1,060 SGD
Retailer 7$1,339 SGD
Retailer 11$1,456 SGD
Retailer 13$1,498 SGD
Retailer 8$1,553 SGD
Retailer 10$1,553 SGD
Retailer 2$1,789 SGD
Retailer 3$2,243 SGD
Retailer 9$2,477 SGD
Retailer 12$2,911 SGD
Retailer 4$3,246 SGD
Retailer 5$3,472 SGD
MOH London$5,253 SGD

41 data points across 13 retailers

11 retailers$1,060 SGD to $5,253 SGD

A
Cheapest Retailer
-
$1,060 SGD
B+
Retailer 2
-
$1,339 SGD
View
B+
Retailer 3
-
$1,456 SGD
View
B+
Retailer 4
-
$1,498 SGD
View
Final sale: no returns
B+
Retailer 5
-
$1,553 SGD
View
Retailer 6
-
$1,553 SGD
View
Price last confirmed 25 days ago
B+
Retailer 7
-
$1,789 SGD
View
B
Retailer 8
-
$2,477 SGD
View
B
Retailer 9
-
$2,911 SGD
View
B
Retailer 10
-
$3,246 SGD
View
Most Expensive
B
MOH London
LG451057586 · Nov 5
$5,253 SGD
£3,238 GBP
View
10 more retailers have this diamond
Prices start from $1,060 SGDSave up to $4,192 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 Round
$1,060 SGD