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Oval|Lab Grown|IGI

4.53ct H SI1 Oval Lab Grown Diamond

EX • H/SI1 • IGI LG559270991

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG559270991

Diamond specifications and retailer prices

From $1,762 NZD
As of November 6, 2026
Save $3,683 NZD (68%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $5,446 NZD at MOH London · As of November 1, 2026
View at MOH London

About this 4.53ct lab-grown oval diamond

This 4.53ct lab-grown oval sits in the three to five carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG559270991 or 559270991. Listed at 5 retailers as of November 1, 2026, with prices from $1,762 to $5,446, a $3,683 spread on the same certified stone. MOH London lists it at $5,446. 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

4.53
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.6°
Pavilion angle41.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG559270991
Dimensions13.23 × 9.49 × 5.86 mm
L/W Ratio1.39
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
13.23 mm9.49 mm4.53 ctH / SI1
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG559270991
Side View
Table 60.0%Crown 34.6°Girdle: MED-STKPavilion 41.1°Culet: NoneDepth 61.7%

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: $5,446 NZD|Low: $1,021 NZD|High: $5,657 NZD|Avg: $3,058 NZD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8$1,021 NZD
Retailer 3$1,136 NZD
Retailer 2$1,762 NZD
Retailer 4$1,889 NZD
Retailer 6$3,299 NZD
Retailer 5$3,758 NZD
MOH London$5,446 NZD
Retailer 7$5,657 NZD

12 data points across 8 retailers

5 retailers$1,762 NZD to $5,446 NZD

Retailer 1
-
$1,136 NZD
Price last confirmed 21 days ago
B+
Retailer 2
-
$1,762 NZD
View
A
Retailer 3
-
$1,889 NZD
View
B+
Retailer 4
-
$3,758 NZD
View
Most Expensive
B+
MOH London
LG559270991 · Nov 1
$5,446 NZD
£2,377 GBP
View
4 more retailers have this diamond
Prices start from $1,762 NZDSave up to $3,683 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
4.53ct Oval
$1,762 NZD