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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 $252 SGD
$197 USD
As of October 29, 2026
Save $753 SGD (75%) vs most expensive(unlock to see where)
7 retailers carry this diamond
Most expensive: $1,463 SGD 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
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See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 29
Current: $1,463 SGD|Low: $242 SGD|High: $1,479 SGD|Avg: $583 SGD|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
October 25, 2026
Retailer 3$252 SGD
Retailer 4$312 SGD
Retailer 6$312 SGD
Retailer 8$330 SGD
Retailer 5$545 SGD
Retailer 2$615 SGD
Retailer 7$675 SGD
MOH London$1,463 SGD

13 data points across 8 retailers

7 retailers$252 SGD to $1,005 SGD

B+
Cheapest Retailer
-
$252 SGD
$197 USD
B+
Retailer 2
-
$293 SGD
$229 USD
View
B+
Retailer 3
-
$312 SGD
$244 USD
View
B+
Retailer 4
-
$312 SGD
$244 USD
View
B
Retailer 5
-
$545 SGD
$426 USD
View
C
Retailer 6
-
$1,005 SGD
$786 USD
View
Most Expensive
MOH London
LG12326108 · Oct 26
$1,463 SGD
£901 GBP
View
Price under review
6 more retailers have this diamond
Prices start from $252 SGDSave up to $753 SGD

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
$252 SGD