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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 $1,237 AUD
As of November 6, 2026
Save $4,966 AUD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $6,203 AUD 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 $1,237 to $6,203, a $4,966 spread on the same certified stone. MOH London lists it at $6,203. 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: $6,203 AUD|Low: $1,237 AUD|High: $6,279 AUD|Avg: $3,026 AUD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2$1,237 AUD
Retailer 3$1,665 AUD
Retailer 4$1,931 AUD
Retailer 6$2,183 AUD
Retailer 8$2,754 AUD
Retailer 5$3,068 AUD
Retailer 7$3,804 AUD
MOH London$6,203 AUD

11 data points across 8 retailers

10 retailers$1,237 AUD to $6,203 AUD

A
Cheapest Retailer
-
$1,237 AUD
A
Retailer 2
-
$1,665 AUD
View
A
Retailer 3
-
$1,811 AUD
View
Retailer 4
-
$1,931 AUD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$1,931 AUD
View
B+
Retailer 6
-
$2,183 AUD
View
B+
Retailer 7
-
$3,068 AUD
View
B
Retailer 8
-
$3,620 AUD
View
B
Retailer 9
-
$3,804 AUD
View
Most Expensive
B
MOH London
LG445037942 · Nov 3
$6,203 AUD
£3,356 GBP
View
9 more retailers have this diamond
Prices start from $1,237 AUDSave up to $4,966 AUD

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
$1,237 AUD