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Oval|Lab Grown|IGI

1.50ct E SI1 Oval Lab Grown Diamond

ID • E/SI1 • IGI LG850605538

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG850605538

Diamond specifications and retailer prices

From $411 NZD
As of November 6, 2026
Save $1,724 NZD (81%) vs most expensive(unlock to see where)
9 retailers carry this diamond
Most expensive: $2,135 NZD 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 E colour (colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG850605538 or 850605538. Listed at 9 retailers as of November 5, 2026, with prices from $411 to $2,135, a $1,724 spread on the same certified stone. MOH London lists it at $2,135. 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
E
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG850605538
Dimensions9.51 × 6.36 × 3.89 mm
L/W Ratio1.50
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
9.51 mm6.36 mm1.50 ctE / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG850605538
Side View
Table 66.0%Crown 32.6°Girdle: STK-THKPavilion 41.2°Culet: NoneDepth 61.2%

Caratlytics Score

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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: $2,135 NZD|Low: $411 NZD|High: $2,140 NZD|Avg: $1,083 NZD|-0.2%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 6, 2026
Retailer 5$411 NZD
Retailer 2$583 NZD
Retailer 7$617 NZD
Retailer 8$814 NZD
Retailer 3$830 NZD
Retailer 4$1,196 NZD
Retailer 9$1,568 NZD
Retailer 6$1,660 NZD
MOH London$2,135 NZD

8 data points across 9 retailers

9 retailers$411 NZD to $2,135 NZD

A
Cheapest Retailer
-
$411 NZD
Final sale: no returns
A
Retailer 2
-
$583 NZD
View
B+
Retailer 3
-
$617 NZD
View
A
Retailer 4
-
$814 NZD
View
A
Retailer 5
-
$830 NZD
View
B+
Retailer 6
-
$1,196 NZD
View
B
Retailer 7
-
$1,568 NZD
View
B
Retailer 8
-
$1,660 NZD
View
Most Expensive
B
MOH London
LG850605538 · Nov 5
$2,135 NZD
£932 GBP
View
8 more retailers have this diamond
Prices start from $411 NZDSave up to $1,724 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
1.50ct Oval
$411 NZD