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Oval|Lab Grown|IGI

1.54ct J SI1 Oval Lab Grown Diamond

ID • J/SI1 • IGI LG445037942

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG445037942

Diamond specifications and retailer prices

From $1,089 SGD
As of November 6, 2026
Save $4,373 SGD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $5,462 SGD at MOH London · As of November 3, 2026
View at MOH London

About this 1.54ct lab-grown oval diamond

This 1.54ct lab-grown oval sits in the one-and-a-half to two carat band, graded J colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG445037942 or 445037942. Listed at 10 retailers as of November 3, 2026, with prices from $1,089 to $5,462, a $4,373 spread on the same certified stone. MOH London lists it at $5,462. 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

1.54
Carat
J
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.3°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG445037942
Dimensions8.80 × 6.58 × 4.13 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.80 mm6.58 mm1.54 ctJ / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG445037942
Side View
Table 61.0%Crown 34.3°Girdle: STK-THKPavilion 41.1°Culet: NoneDepth 62.8%

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 6
Current: $5,462 SGD|Low: $1,089 SGD|High: $5,529 SGD|Avg: $2,665 SGD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2$1,089 SGD
Retailer 3$1,466 SGD
Retailer 4$1,701 SGD
Retailer 6$1,922 SGD
Retailer 8$2,425 SGD
Retailer 5$2,702 SGD
Retailer 7$3,350 SGD
MOH London$5,462 SGD

11 data points across 8 retailers

10 retailers$1,089 SGD to $5,462 SGD

A
Cheapest Retailer
-
$1,089 SGD
A
Retailer 2
-
$1,466 SGD
View
A
Retailer 3
-
$1,594 SGD
View
Retailer 4
-
$1,701 SGD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$1,701 SGD
View
B+
Retailer 6
-
$1,922 SGD
View
B+
Retailer 7
-
$2,702 SGD
View
B
Retailer 8
-
$3,187 SGD
View
B
Retailer 9
-
$3,350 SGD
View
Most Expensive
B
MOH London
LG445037942 · Nov 3
$5,462 SGD
£3,356 GBP
View
9 more retailers have this diamond
Prices start from $1,089 SGDSave up to $4,373 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
1.54ct Oval
$1,089 SGD