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Radiant|Lab Grown|IGI

0.40ct D IF Radiant Lab Grown Diamond

D/IF • IGI LG656494792

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

Certificate IGI LG656494792

Diamond specifications and retailer prices

From €121 EUR
$135 USD
As of October 30, 2026
Save €652 EUR (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: €773 EUR at MOH London · As of October 26, 2026
View at MOH London

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 IF clarity (flawless or internally-flawless) and certified by IGI LG656494792 or 656494792. Listed at 18 retailers as of October 26, 2026, with prices from €121 to €773, a €652 spread on the same certified stone. MOH London lists it at €773. 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
IF
Clarity
-
Cut

Specifications

Cut
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle53.6°
Pavilion angle37.1°
OriginLab Grown
Grading LabIGI
CertificateIGI LG656494792
Dimensions5.35 × 3.61 × 2.46 mm
L/W Ratio1.48
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
5.35 mm3.61 mm0.40 ctD / IF
OriginLab Grown
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG656494792
Side View
Table 67.0%Crown 53.6°Girdle: MED-THKPavilion 37.1°Culet: NoneDepth 68.1%

Caratlytics Score

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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 30
Current: €773 EUR|Low: €115 EUR|High: €781 EUR|Avg: €288 EUR|-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
November 1, 2026
Retailer 11€121 EUR
Retailer 13€135 EUR
Retailer 3€140 EUR
Retailer 10€149 EUR
Retailer 12€149 EUR
Retailer 5€204 EUR
Retailer 4€268 EUR
Retailer 2€286 EUR
Retailer 7€298 EUR
Retailer 8€397 EUR
Retailer 6€412 EUR
Retailer 9€429 EUR
MOH London€773 EUR

46 data points across 13 retailers

18 retailers€121 EUR to €773 EUR

Retailer 1
-
€121 EUR
$135 USD
Price last confirmed 24 days ago
A
Retailer 2
-
€121 EUR
$135 USD
View
A
Retailer 3
-
€135 EUR
$151 USD
View
Final sale: no returns
Retailer 4
-
€140 EUR
$156 USD
View
Price last confirmed 36 days ago
Retailer 5
-
€149 EUR
$167 USD
View
Price last confirmed 29 days ago
A
Retailer 6
-
€149 EUR
$167 USD
View
A
Retailer 7
-
€192 EUR
$215 USD
View
A
Retailer 8
-
€204 EUR
$228 USD
View
B+
Retailer 9
-
€268 EUR
$299 USD
View
B+
Retailer 10
-
€286 EUR
£252 GBP
View
B+
Retailer 11
-
€298 EUR
ZAR 5,387 ZAR
View
B+
Retailer 12
-
€397 EUR
A$682 AUD
View
B
Retailer 13
-
€412 EUR
$460 USD
View
B
Retailer 14
-
€429 EUR
A$738 AUD
View
Retailer 15
-
€531 EUR
$593 USD
View
Price last confirmed 31 days ago
B
Retailer 16
-
€531 EUR
$593 USD
View
B
Retailer 17
-
€687 EUR
$768 USD
View
Most Expensive
B
MOH London
LG656494792 · Oct 26
€773 EUR
£680 GBP
View
17 more retailers have this diamond
Prices start from €121 EURSave up to €652 EUR

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
0.40ct Radiant
€121 EUR