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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 $1,533 NZD
As of November 6, 2026
Save $6,155 NZD (80%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,688 NZD 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 $1,533 to $7,688, a $6,155 spread on the same certified stone. MOH London lists it at $7,688. 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: $7,688 NZD|Low: $1,533 NZD|High: $7,782 NZD|Avg: $3,751 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 2$1,533 NZD
Retailer 3$2,064 NZD
Retailer 4$2,394 NZD
Retailer 6$2,706 NZD
Retailer 8$3,413 NZD
Retailer 5$3,803 NZD
Retailer 7$4,715 NZD
MOH London$7,688 NZD

11 data points across 8 retailers

10 retailers$1,533 NZD to $7,688 NZD

A
Cheapest Retailer
-
$1,533 NZD
A
Retailer 2
-
$2,064 NZD
View
A
Retailer 3
-
$2,244 NZD
View
Retailer 4
-
$2,394 NZD
View
Price last confirmed 25 days ago
A
Retailer 5
-
$2,394 NZD
View
B+
Retailer 6
-
$2,706 NZD
View
B+
Retailer 7
-
$3,803 NZD
View
B
Retailer 8
-
$4,486 NZD
View
B
Retailer 9
-
$4,715 NZD
View
Most Expensive
B
MOH London
LG445037942 · Nov 3
$7,688 NZD
£3,356 GBP
View
9 more retailers have this diamond
Prices start from $1,533 NZDSave up to $6,155 NZD

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
$1,533 NZD