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Oval|Lab Grown|IGI

1.50ct I SI2 Oval Lab Grown Diamond

ID • I/SI2 • IGI LG451056604

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG451056604

Diamond specifications and retailer prices

From $1,425 NZD
As of November 6, 2026
Save $6,069 NZD (81%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $7,494 NZD at MOH London · As of November 3, 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 LG451056604 or 451056604. Listed at 10 retailers as of November 3, 2026, with prices from $1,425 to $7,494, a $6,069 spread on the same certified stone. MOH London lists it at $7,494. 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 angle36.8°
Pavilion angle40.4°
OriginLab Grown
Grading LabIGI
CertificateIGI LG451056604
Dimensions9.07 × 6.46 × 3.95 mm
L/W Ratio1.40
Girdle conditionFaceted
Culet sizePointed
Cert comments
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Top View
9.07 mm6.46 mm1.50 ctI / SI2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG451056604
Side View
Table 62.5%Crown 36.8°Girdle: MED-STKPavilion 40.4°Culet: NoneDepth 61.1%

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 6
Current: $7,494 NZD|Low: $1,425 NZD|High: $7,595 NZD|Avg: $3,747 NZD|-1.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
November 1, 2026
Retailer 3$1,425 NZD
Retailer 2$2,011 NZD
Retailer 6$2,249 NZD
Retailer 4$2,332 NZD
Retailer 8$3,337 NZD
Retailer 5$3,711 NZD
Retailer 7$4,732 NZD
Retailer 9$5,220 NZD
MOH London$7,494 NZD

13 data points across 9 retailers

10 retailers$1,425 NZD to $7,494 NZD

A
Cheapest Retailer
-
$1,425 NZD
A
Retailer 2
-
$2,011 NZD
View
A
Retailer 3
-
$2,188 NZD
View
A
Retailer 4
-
$2,249 NZD
View
Final sale: no returns
B+
Retailer 5
-
$2,332 NZD
View
Retailer 6
-
$2,332 NZD
View
Price last confirmed 25 days ago
B
Retailer 7
-
$3,711 NZD
View
B
Retailer 8
-
$4,373 NZD
View
B
Retailer 9
-
$4,732 NZD
View
Most Expensive
B
MOH London
LG451056604 · Nov 3
$7,494 NZD
£3,271 GBP
View
9 more retailers have this diamond
Prices start from $1,425 NZDSave up to $6,069 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
$1,425 NZD