Radiant|Lab Grown|IGI

0.45ct E VS1 Radiant Lab Grown Diamond

ID • E/VS1 • IGI LG644420366

Shape and cutting style on the report: Cut cornered rectangular modified brilliant

Certificate IGI LG644420366

Diamond specifications and retailer prices

From $447 AUD
£247 GBP
As of October 29, 2026
Save $223 AUD (33%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $1,303 AUD at MOH London · As of October 15, 2026
View at MOH London

About this 0.45ct lab-grown radiant diamond

This 0.45ct lab-grown radiant sits in the sub-half-carat band, graded E colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG644420366 or 644420366. Listed at 16 retailers as of October 29, 2026, with a 50% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.45
Carat
E
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle43°
Pavilion angle38.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644420366
Dimensions5.34 × 3.68 × 2.64 mm
L/W Ratio1.45
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.34 mm3.68 mm0.45 ctE / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG644420366
Side View
Table 68.0%Crown 43°Girdle: Slightly ThickPavilion 38.1°Culet: NoneDepth 71.7%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,303 AUD|Low: $135 AUD|High: $1,303 AUD|Avg: $451 AUD|+1.0%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
Retailer 15
Retailer 16
October 15, 2026
Retailer 10$141 AUD
Retailer 13$158 AUD
Retailer 14$164 AUD
Retailer 12$186 AUD
Retailer 8$206 AUD
Retailer 4$245 AUD
Retailer 16$307 AUD
Retailer 9$321 AUD
Retailer 2$323 AUD
Retailer 3$437 AUD
Retailer 6$496 AUD
Retailer 11$498 AUD
Retailer 15$557 AUD
Retailer 7$647 AUD
Retailer 5$933 AUD
MOH London$1,303 AUD

28 data points across 16 retailers

16 retailers$447 AUD to $670 AUD

Retailer 1
-
$141 AUD
$99 USD
Price last confirmed 21 days ago
Retailer 2
-
$164 AUD
$115 USD
View
Price last confirmed 16 days ago
Retailer 3
-
$186 AUD
$131 USD
View
Price last confirmed 26 days ago
Retailer 4
-
$200 AUD
HK$1,100 HKD
View
Price last confirmed 15 days ago
Retailer 5
-
$206 AUD
$145 USD
View
Price last confirmed 15 days ago
Retailer 6
-
$245 AUD
$172 USD
View
Price last confirmed 15 days ago
Retailer 7
-
$307 AUD
$216 USD
View
Price last confirmed 14 days ago
Retailer 8
-
$323 AUD
£178 GBP
View
Price last confirmed 14 days ago
Retailer 9
-
$437 AUD
£242 GBP
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$447 AUD
£247 GBP
View
Retailer 11
-
$496 AUD
SGD 471 SGD
View
Price last confirmed 15 days ago
Retailer 12
-
$498 AUD
$350 USD
View
Price last confirmed 15 days ago
Retailer 13
-
$647 AUD
$455 USD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$670 AUD
£371 GBP
View
Retailer 15
-
$933 AUD
£516 GBP
View
Price last confirmed 15 days ago
Most Expensive
MOH London
LG644420366 · Oct 15
$1,303 AUD
£721 GBP
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from $447 AUDSave up to $223 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.

B+
0.45ct Radiant
$447 AUD