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Oval|Lab Grown|IGI

1.50ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG451056577

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451056577

Diamond specifications and retailer prices

From $1,150 AUD
As of November 5, 2026
Save $4,881 AUD (81%) vs most expensive(unlock to see where)
11 retailers carry this diamond
Most expensive: $6,031 AUD at MOH London · As of November 5, 2026
View at MOH London

About this 1.5ct lab-grown oval diamond

This 1.5ct lab-grown oval sits in the one-and-a-half to two carat band, graded I colour (near-colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451056577 or 451056577. Listed at 11 retailers as of November 5, 2026, with prices from $1,150 to $6,031, a $4,881 spread on the same certified stone. MOH London lists it at $6,031. 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
I
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle36°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056577
Dimensions8.77 × 6.54 × 4.05 mm
L/W Ratio1.34
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
8.77 mm6.54 mm1.50 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056577
Side View
Table 59.0%Crown 36°Girdle: STK-THKPavilion 40.2°Culet: NoneDepth 61.9%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $6,031 AUD|Low: $1,150 AUD|High: $6,120 AUD|Avg: $2,661 AUD|-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
November 6, 2026
Retailer 6$1,150 AUD
Retailer 5$1,623 AUD
Retailer 10$1,765 AUD
Retailer 11$1,815 AUD
Retailer 7$1,882 AUD
Retailer 12$1,882 AUD
Retailer 4$2,692 AUD
Retailer 2$2,783 AUD
Retailer 8$2,994 AUD
Retailer 9$3,528 AUD
Retailer 3$3,818 AUD
MOH London$6,031 AUD

41 data points across 12 retailers

11 retailers$1,150 AUD to $6,031 AUD

A
Cheapest Retailer
-
$1,150 AUD
A
Retailer 2
-
$1,623 AUD
View
A
Retailer 3
-
$1,765 AUD
View
A
Retailer 4
-
$1,815 AUD
View
Final sale: no returns
Retailer 5
-
$1,882 AUD
View
Price last confirmed 25 days ago
B+
Retailer 6
-
$1,882 AUD
View
B+
Retailer 7
-
$2,783 AUD
View
B
Retailer 8
-
$2,994 AUD
View
B
Retailer 9
-
$3,528 AUD
View
B
Retailer 10
-
$3,818 AUD
View
Most Expensive
B
MOH London
LG451056577 · Nov 5
$6,031 AUD
£3,263 GBP
View
10 more retailers have this diamond
Prices start from $1,150 AUDSave up to $4,881 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
1.50ct Oval
$1,150 AUD