Radiant|Lab Grown|IGI

0.40ct D VS2 Radiant Lab Grown Diamond

D/VS2 • IGI LG644420363

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

Certificate IGI LG644420363

Diamond specifications and retailer prices

From $291 USD
£229 GBP
As of October 26, 2026
Save $176 USD (38%) vs most expensive(unlock to see where)
2 retailers carry this diamond
Most expensive: $467 USD at Diamond Quarter · As of October 28, 2026
View at Diamond Quarter

About this 0.4ct lab-grown radiant diamond

This 0.4ct lab-grown radiant sits in the sub-half-carat band, graded D colour (colourless) and VS2 clarity (very-slightly-included) and certified by IGI LG644420363 or 644420363. Listed at 2 retailers as of October 26, 2026, with prices from $291 to $467, a $176 spread on the same certified stone. Diamond Quarter lists it at $467. Cut grade matters more than carat or clarity for visible brilliance. If you can shift budget toward an Excellent or Ideal cut, do it before chasing higher colour or clarity.

The 4Cs

0.40
Carat
D
Color
VS2
Clarity
-
Cut

Specifications

Cut
PolishVery Good
SymmetryVery Good
FluorescenceNone
Crown angle45.2°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG644420363
Dimensions5.13 × 3.59 × 2.50 mm
L/W Ratio1.43
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.13 mm3.59 mm0.40 ctD / VS2
OriginLab Grown
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG644420363
Side View
Table 73.0%Crown 45.2°Girdle: STK-THKPavilion 35°Culet: NoneDepth 69.6%

Caratlytics Score

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B
Good
Decent quality, room for better deals
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 26
Current: $291 USD|Low: $291 USD|High: $291 USD|Avg: $291 USD
December 30, 2025
Retailer 1$291 USD

3 data points across 1 retailer

2 retailers$291 USD to $467 USD

B
Cheapest Retailer
-
$291 USD
£229 GBP
Most Expensive
C
Diamond Quarter
0.4VS2DLG634F75N · Oct 28
$467 USD
£368 GBP
View
1 more retailer has this diamond
Prices start from $291 USDSave up to $176 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.

B
0.40ct Radiant
$291 USD