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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 $1,422 AUD
As of November 6, 2026
Save $2,972 AUD (68%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $4,394 AUD 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 $1,422 to $4,394, a $2,972 spread on the same certified stone. MOH London lists it at $4,394. 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: $4,394 AUD|Low: $824 AUD|High: $4,564 AUD|Avg: $2,467 AUD
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
November 1, 2026
Retailer 8$824 AUD
Retailer 3$917 AUD
Retailer 2$1,422 AUD
Retailer 4$1,524 AUD
Retailer 6$2,662 AUD
Retailer 5$3,032 AUD
MOH London$4,394 AUD
Retailer 7$4,564 AUD

12 data points across 8 retailers

5 retailers$1,422 AUD to $4,394 AUD

Retailer 1
-
$917 AUD
Price last confirmed 21 days ago
B+
Retailer 2
-
$1,422 AUD
View
A
Retailer 3
-
$1,524 AUD
View
B+
Retailer 4
-
$3,032 AUD
View
Most Expensive
B+
MOH London
LG559270991 · Nov 1
$4,394 AUD
£2,377 GBP
View
4 more retailers have this diamond
Prices start from $1,422 AUDSave up to $2,972 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
4.53ct Oval
$1,422 AUD