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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 $192 AUD
$135 USD
As of October 30, 2026
Save $1,037 AUD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,229 AUD 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 $192 to $1,229, a $1,037 spread on the same certified stone. MOH London lists it at $1,229. 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
Colour
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

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,229 AUD|Low: $184 AUD|High: $1,242 AUD|Avg: $458 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
October 31, 2026
Retailer 11$192 AUD
Retailer 13$215 AUD
Retailer 3$222 AUD
Retailer 10$238 AUD
Retailer 12$238 AUD
Retailer 5$325 AUD
Retailer 4$426 AUD
Retailer 2$452 AUD
Retailer 7$475 AUD
Retailer 6$541 AUD
Retailer 8$631 AUD
Retailer 9$683 AUD
MOH London$1,229 AUD

46 data points across 13 retailers

18 retailers$192 AUD to $1,229 AUD

Retailer 1
-
$192 AUD
$135 USD
Price last confirmed 23 days ago
A
Retailer 2
-
$192 AUD
$135 USD
View
A
Retailer 3
-
$215 AUD
$151 USD
View
Final sale: no returns
Retailer 4
-
$222 AUD
$156 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$238 AUD
$167 USD
View
Price last confirmed 28 days ago
A
Retailer 6
-
$238 AUD
$167 USD
View
A
Retailer 7
-
$306 AUD
$215 USD
View
A
Retailer 8
-
$325 AUD
$228 USD
View
B+
Retailer 9
-
$426 AUD
$299 USD
View
A
Retailer 10
-
$452 AUD
£250 GBP
View
B+
Retailer 11
-
$475 AUD
ZAR 5,387 ZAR
View
B+
Retailer 12
-
$541 AUD
$380 USD
View
B+
Retailer 13
-
$631 AUD
View
B
Retailer 14
-
$683 AUD
View
Retailer 15
-
$844 AUD
$593 USD
View
Price last confirmed 30 days ago
B
Retailer 16
-
$844 AUD
$593 USD
View
B
Retailer 17
-
$1,093 AUD
$768 USD
View
Most Expensive
B
MOH London
LG656494792 · Oct 26
$1,229 AUD
£680 GBP
View
17 more retailers have this diamond
Prices start from $192 AUDSave up to $1,037 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
0.40ct Radiant
$192 AUD