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 $314 USD
£247 GBP
As of October 29, 2026
Save $157 USD (33%) vs most expensive(unlock to see where)
16 retailers carry this diamond
Most expensive: $916 USD 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
Color
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 →
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 29
Current: $916 USD|Low: $95 USD|High: $916 USD|Avg: $317 USD|+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$99 USD
Retailer 13$111 USD
Retailer 14$115 USD
Retailer 12$131 USD
Retailer 8$145 USD
Retailer 4$172 USD
Retailer 16$216 USD
Retailer 9$226 USD
Retailer 2$227 USD
Retailer 3$307 USD
Retailer 6$349 USD
Retailer 11$350 USD
Retailer 15$391 USD
Retailer 7$455 USD
Retailer 5$655 USD
MOH London$916 USD

28 data points across 16 retailers

16 retailers$314 USD to $471 USD

A
Retailer 1
-
$99 USD
Price last confirmed 21 days ago
A
Retailer 2
-
$115 USD
View
Price last confirmed 15 days ago
A
Retailer 3
-
$131 USD
View
Price last confirmed 26 days ago
A
Retailer 4
-
$141 USD
HK$1,100 HKD
View
Price last confirmed 15 days ago
A
Retailer 5
-
$145 USD
View
Price last confirmed 14 days ago
A
Retailer 6
-
$172 USD
View
Price last confirmed 15 days ago
A
Retailer 7
-
$216 USD
View
Price last confirmed 14 days ago
A
Retailer 8
-
$227 USD
£178 GBP
View
Price last confirmed 14 days ago
B+
Retailer 9
-
$307 USD
£242 GBP
View
Price last confirmed 15 days ago
B+
Retailer 10
-
$314 USD
£247 GBP
View
B+
Retailer 11
-
$349 USD
SGD 471 SGD
View
Price last confirmed 15 days ago
B+
Retailer 12
-
$350 USD
View
Price last confirmed 15 days ago
B
Retailer 13
-
$455 USD
View
Price last confirmed 15 days ago
B
Retailer 14
-
$471 USD
£371 GBP
View
B
Retailer 15
-
$655 USD
£516 GBP
View
Price last confirmed 15 days ago
Most Expensive
B
MOH London
LG644420366 · Oct 15
$916 USD
£721 GBP
View
Price last confirmed 14 days ago
15 more retailers have this diamond
Prices start from $314 USDSave up to $157 USD

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 Radiant
$314 USD