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Round|Lab Grown|IGI

0.45ct E SI2 Round Lab Grown Diamond

EX • E/SI2 • IGI LG665428271

Shape and cutting style on the report: Round brilliant

Certificate IGI LG665428271

Diamond specifications and retailer prices

From $132 AUD
$93 USD
As of October 27, 2026
Save $907 AUD (87%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: $1,039 AUD at MOH London · As of October 25, 2026
View at MOH London

About this 0.45ct lab-grown round diamond

This 0.45ct lab-grown round sits in the sub-half-carat band, graded E colour (colourless) and SI2 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG665428271 or 665428271. Listed at 10 retailers as of October 25, 2026, with prices from $132 to $1,039, a $907 spread on the same certified stone. MOH London lists it at $1,039. 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

0.45
Carat
E
Colour
SI2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle35.7°
Pavilion angle41.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG665428271
Dimensions4.88 × 4.85 × 3.02 mm
L/W Ratio1.01
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
4.88 mm4.85 mm0.45 ctE / SI2
OriginLab Grown
CutExcellent
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG665428271
Side View
Table 61.0%Crown 35.7°Girdle: MED-STKPavilion 41.2°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
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: Oct 27
Current: $1,039 AUD|Low: $115 AUD|High: $1,081 AUD|Avg: $387 AUD|-2.9%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 25, 2026
Retailer 2$132 AUD
Retailer 7$151 AUD
Retailer 3$221 AUD
Retailer 4$293 AUD
Retailer 6$309 AUD
Retailer 10$313 AUD
Retailer 8$313 AUD
Retailer 9$397 AUD
Retailer 5$471 AUD
MOH London$1,039 AUD

16 data points across 10 retailers

10 retailers$132 AUD to $1,039 AUD

A
Retailer 1
-
$112 AUD
$79 USD
Price last confirmed 28 days ago
A
Retailer 2
-
$132 AUD
$93 USD
View
A
Retailer 3
-
$151 AUD
$106 USD
View
A
Retailer 4
-
$155 AUD
$109 USD
View
Price last confirmed 27 days ago
A
Retailer 5
-
$221 AUD
$155 USD
View
A
Retailer 6
-
$309 AUD
$217 USD
View
A
Retailer 7
-
$313 AUD
$220 USD
View
Price last confirmed 11 days ago
B+
Retailer 8
-
$467 AUD
$328 USD
View
Price last confirmed 30 days ago
B+
Retailer 9
-
$471 AUD
$331 USD
View
Most Expensive
B
MOH London
LG665428271 · Oct 25
$1,039 AUD
£575 GBP
View
9 more retailers have this diamond
Prices start from $132 AUDSave up to $907 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
0.45ct Round
$132 AUD