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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 HK$1,059 HKD
$135 USD
As of October 30, 2026
Save HK$5,716 HKD (84%) vs most expensive(unlock to see where)
18 retailers carry this diamond
Most expensive: HK$6,776 HKD 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 HK$1,059 to HK$6,776, a HK$5,716 spread on the same certified stone. MOH London lists it at HK$6,776. 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: HK$6,776 HKD|Low: HK$1,012 HKD|High: HK$6,845 HKD|Avg: HK$2,523 HKD|-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 11HK$1,059 HKD
Retailer 13HK$1,185 HKD
Retailer 3HK$1,224 HKD
Retailer 10HK$1,310 HKD
Retailer 12HK$1,310 HKD
Retailer 5HK$1,789 HKD
Retailer 4HK$2,346 HKD
Retailer 2HK$2,490 HKD
Retailer 7HK$2,616 HKD
Retailer 6HK$2,981 HKD
Retailer 8HK$3,478 HKD
Retailer 9HK$3,764 HKD
MOH LondonHK$6,776 HKD

45 data points across 13 retailers

18 retailersHK$1,059 HKD to HK$6,776 HKD

Retailer 1
-
HK$1,059 HKD
$135 USD
Price last confirmed 23 days ago
A
Retailer 2
-
HK$1,059 HKD
$135 USD
View
A
Retailer 3
-
HK$1,185 HKD
$151 USD
View
Final sale: no returns
Retailer 4
-
HK$1,224 HKD
$156 USD
View
Price last confirmed 35 days ago
Retailer 5
-
HK$1,310 HKD
$167 USD
View
Price last confirmed 28 days ago
A
Retailer 6
-
HK$1,310 HKD
$167 USD
View
A
Retailer 7
-
HK$1,687 HKD
$215 USD
View
A
Retailer 8
-
HK$1,789 HKD
$228 USD
View
B+
Retailer 9
-
HK$2,346 HKD
$299 USD
View
A
Retailer 10
-
HK$2,490 HKD
£250 GBP
View
B+
Retailer 11
-
HK$2,616 HKD
ZAR 5,387 ZAR
View
B+
Retailer 12
-
HK$2,981 HKD
$380 USD
View
B+
Retailer 13
-
HK$3,478 HKD
A$682 AUD
View
B
Retailer 14
-
HK$3,764 HKD
A$738 AUD
View
Retailer 15
-
HK$4,653 HKD
$593 USD
View
Price last confirmed 31 days ago
B
Retailer 16
-
HK$4,653 HKD
$593 USD
View
B
Retailer 17
-
HK$6,024 HKD
$768 USD
View
Most Expensive
B
MOH London
LG656494792 · Oct 26
HK$6,776 HKD
£680 GBP
View
17 more retailers have this diamond
Prices start from HK$1,059 HKDSave up to HK$5,716 HKD

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
HK$1,059 HKD