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Oval|Lab Grown|IGI

1.50ct K SI2 Oval Lab Grown Diamond

ID • K/SI2 • IGI LG451055759

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451055759

Diamond specifications and retailer prices

From $2,479 AUD
As of November 5, 2026
Save $5,712 AUD (70%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $8,190 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 K colour (faint-tinted) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG451055759 or 451055759. Listed at 9 retailers as of November 5, 2026, with prices from $2,479 to $8,190, a $5,712 spread on the same certified stone. MOH London lists it at $8,190. 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
K
Colour
SI2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.6°
Pavilion angle41.7°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451055759
Dimensions9.31 × 6.43 × 3.95 mm
L/W Ratio1.45
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.31 mm6.43 mm1.50 ctK / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451055759
Side View
Table 59.5%Crown 33.6°Girdle: STK-THKPavilion 41.7°Culet: NoneDepth 61.4%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 5
Current: $8,190 AUD|Low: $2,380 AUD|High: $8,323 AUD|Avg: $4,599 AUD|-0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
November 6, 2026
Retailer 4$2,479 AUD
Retailer 8$2,697 AUD
Retailer 5$2,876 AUD
Retailer 9$3,834 AUD
Retailer 2$4,423 AUD
Retailer 6$4,518 AUD
Retailer 3$4,959 AUD
Retailer 7$5,389 AUD
Retailer 10$6,436 AUD
MOH London$8,190 AUD

40 data points across 10 retailers

9 retailers$2,479 AUD to $8,190 AUD

B+
Cheapest Retailer
-
$2,479 AUD
B+
Retailer 2
-
$2,697 AUD
View
Retailer 3
-
$2,876 AUD
View
Price last confirmed 25 days ago
B
Retailer 4
-
$2,876 AUD
View
B
Retailer 5
-
$4,423 AUD
View
B
Retailer 6
-
$4,518 AUD
View
B
Retailer 7
-
$4,959 AUD
View
B
Retailer 8
-
$5,389 AUD
View
Most Expensive
B
MOH London
LG451055759 · Nov 5
$8,190 AUD
£4,431 GBP
View
8 more retailers have this diamond
Prices start from $2,479 AUDSave up to $5,712 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+
1.50ct Oval
$2,479 AUD