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Oval|Lab Grown|IGI

0.40ct H SI1 Oval Lab Grown Diamond

EX • H/SI1 • IGI LG12326108

Shape and cutting style on the report: Oval brilliant

Certificate IGI LG12326108

Diamond specifications and retailer prices

From HK$1,546 HKD
$197 USD
As of October 29, 2026
Save HK$4,621 HKD (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: HK$8,978 HKD at MOH London · As of October 26, 2026
View at MOH London

About this 0.4ct lab-grown oval diamond

This 0.4ct lab-grown oval sits in the sub-half-carat band, graded H colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG12326108 or 12326108. Listed at 7 retailers as of October 29, 2026, with a 299% spread between the cheapest and most expensive listing. That is exactly the kind of price-discovery gap Carat Hunter was built to surface. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

0.40
Carat
H
Colour
SI1
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
Crown angle34.5°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG12326108
Dimensions5.75 × 4.18 × 2.59 mm
L/W Ratio1.38
Culet sizeNone
Cert comments
As Grown - No indications of post-growth treatment. This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process.
Top View
5.75 mm4.18 mm0.40 ctH / SI1
OriginLab Grown
CutExcellent
PolishGood
SymmetryGood
FluorescenceNone
CertificateIGI LG12326108
Side View
Table 58.5%Crown 34.5°Girdle: STK-UNDPavilion 39.8°Culet: NoneDepth 62.0%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: HK$8,978 HKD|Low: HK$1,483 HKD|High: HK$9,077 HKD|Avg: HK$3,577 HKD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 3HK$1,546 HKD
Retailer 4HK$1,914 HKD
Retailer 6HK$1,914 HKD
Retailer 8HK$2,024 HKD
Retailer 5HK$3,342 HKD
Retailer 2HK$3,773 HKD
Retailer 7HK$4,143 HKD
MOH LondonHK$8,978 HKD

13 data points across 8 retailers

7 retailersHK$1,546 HKD to HK$6,167 HKD

B+
Cheapest Retailer
-
HK$1,546 HKD
$197 USD
B+
Retailer 2
-
HK$1,797 HKD
$229 USD
View
B+
Retailer 3
-
HK$1,914 HKD
$244 USD
View
B+
Retailer 4
-
HK$1,914 HKD
$244 USD
View
B
Retailer 5
-
HK$3,342 HKD
$426 USD
View
C
Retailer 6
-
HK$6,167 HKD
$786 USD
View
Most Expensive
MOH London
LG12326108 · Oct 26
HK$8,978 HKD
£901 GBP
View
Price under review
6 more retailers have this diamond
Prices start from HK$1,546 HKDSave up to HK$4,621 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.

B+
0.40ct Oval
HK$1,546 HKD