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Oval|Lab Grown|IGI

1.51ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG658483142

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG658483142

Diamond specifications and retailer prices

From $830 AUD
As of November 6, 2026
Save $287 AUD (26%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $1,117 AUD at Michael Trio · As of November 6, 2026
View at Michael Trio

About this 1.51ct lab-grown oval diamond

This 1.51ct lab-grown oval sits in the one-and-a-half to two carat band, graded E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG658483142 or 658483142. Listed at 2 retailers as of November 6, 2026, with prices from $830 to $1,117, a $287 spread on the same certified stone. Michael Trio lists it at $1,117. 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

1.51
Carat
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.7°
Pavilion angle40.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG658483142
Dimensions9.16 × 6.47 × 4.04 mm
L/W Ratio1.42
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.16 mm6.47 mm1.51 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG658483142
Side View
Table 59.0%Crown 35.7°Girdle: MED-STKPavilion 40.8°Culet: NoneDepth 62.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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Price History

Last verified: Nov 6
Current: $1,117 AUD|Low: $506 AUD|High: $1,156 AUD|Avg: $914 AUD|+2.4%
Michael Trio
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
October 7, 2026
Retailer 6$506 AUD
Retailer 2$830 AUD
Retailer 3$856 AUD
Retailer 4$1,029 AUD
Michael Trio$1,117 AUD
Retailer 5$1,156 AUD

3 data points across 6 retailers

2 retailers$830 AUD to $1,117 AUD

B+
Cheapest Retailer
-
$830 AUD
Most Expensive
B
Michael Trio
1475598265 · Nov 6
$1,117 AUD
SGD 1,037 SGD
View
1 more retailer has this diamond
Prices start from $830 AUDSave up to $287 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.

B+
1.51ct Oval
$830 AUD