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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 $240 NZD
$135 USD
As of October 30, 2026
Save $1,293 NZD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: $1,532 NZD 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 $240 to $1,532, a $1,293 spread on the same certified stone. MOH London lists it at $1,532. 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 30
Current: $1,532 NZD|Low: $229 NZD|High: $1,548 NZD|Avg: $571 NZD|-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$240 NZD
Retailer 13$268 NZD
Retailer 3$277 NZD
Retailer 10$296 NZD
Retailer 12$296 NZD
Retailer 5$405 NZD
Retailer 4$531 NZD
Retailer 6$563 NZD
Retailer 7$592 NZD
Retailer 8$787 NZD
Retailer 2$816 NZD
Retailer 9$851 NZD
MOH London$1,532 NZD

45 data points across 13 retailers

18 retailers$240 NZD to $1,532 NZD

Retailer 1
-
$240 NZD
$135 USD
Price last confirmed 23 days ago
A
Retailer 2
-
$240 NZD
$135 USD
View
A
Retailer 3
-
$268 NZD
$151 USD
View
Final sale: no returns
Retailer 4
-
$277 NZD
$156 USD
View
Price last confirmed 35 days ago
Retailer 5
-
$296 NZD
$167 USD
View
Price last confirmed 28 days ago
A
Retailer 6
-
$296 NZD
$167 USD
View
A
Retailer 7
-
$381 NZD
$215 USD
View
A
Retailer 8
-
$405 NZD
$228 USD
View
B+
Retailer 9
-
$531 NZD
$299 USD
View
A
Retailer 10
-
$563 NZD
£250 GBP
View
B+
Retailer 11
-
$592 NZD
ZAR 5,387 ZAR
View
B+
Retailer 12
-
$787 NZD
A$682 AUD
View
B
Retailer 13
-
$816 NZD
$460 USD
View
B
Retailer 14
-
$851 NZD
A$738 AUD
View
Retailer 15
-
$1,052 NZD
$593 USD
View
Price last confirmed 31 days ago
B
Retailer 16
-
$1,052 NZD
$593 USD
View
B
Retailer 17
-
$1,362 NZD
$768 USD
View
Most Expensive
B
MOH London
LG656494792 · Oct 26
$1,532 NZD
£680 GBP
View
17 more retailers have this diamond
Prices start from $240 NZDSave up to $1,293 NZD

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
$240 NZD