CaratHunter
Plans
Marquise|Lab Grown|IGI

0.40ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG533215523

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG533215523

Diamond specifications and retailer prices

From $133 SGD
$104 USD
As of November 2, 2026
Save $395 SGD (75%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: $1,379 SGD at MOH London · As of October 29, 2026
View at MOH London

About this 0.4ct lab-grown marquise diamond

This 0.4ct lab-grown marquise sits in the sub-half-carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG533215523 or 533215523. Listed at 12 retailers as of October 31, 2026, with a 297% 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
G
Colour
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle28.6°
Pavilion angle40.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG533215523
Dimensions7.61 × 3.94 × 2.37 mm
L/W Ratio1.93
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process and may include post-growth treatment Type IIa
Top View
7.61 mm3.94 mm0.40 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG533215523
Side View
Table 63.0%Crown 28.6°Girdle: MED-THKPavilion 40.9°Culet: NoneDepth 60.2%

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: Nov 2
Current: $1,379 SGD|Low: $127 SGD|High: $1,387 SGD|Avg: $414 SGD|+0.4%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
November 2, 2026
Retailer 6$133 SGD
Retailer 10$153 SGD
Retailer 7$175 SGD
Retailer 11$175 SGD
Retailer 4$294 SGD
Retailer 2$322 SGD
Retailer 9$331 SGD
Retailer 5$422 SGD
Retailer 3$453 SGD
Retailer 8$528 SGD
MOH London$1,379 SGD

45 data points across 11 retailers

12 retailers$133 SGD to $528 SGD

A
Cheapest Retailer
-
$133 SGD
$104 USD
A
Retailer 2
-
$153 SGD
$120 USD
View
A
Retailer 3
-
$175 SGD
$137 USD
View
Retailer 4
-
$175 SGD
$137 USD
View
Price last confirmed 8 days ago
B+
Retailer 5
-
$294 SGD
$230 USD
View
B+
Retailer 6
-
$311 SGD
HK$1,900 HKD
View
B+
Retailer 7
-
$322 SGD
£198 GBP
View
B+
Retailer 8
-
$331 SGD
$259 USD
View
B+
Retailer 9
-
$422 SGD
£260 GBP
View
B
Retailer 10
-
$453 SGD
$354 USD
View
B
Retailer 11
-
$528 SGD
$413 USD
View
Most Expensive
MOH London
LG533215523 · Oct 29
$1,379 SGD
£849 GBP
View
Price under review
11 more retailers have this diamond
Prices start from $133 SGDSave up to $395 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.

A
0.40ct Marquise
$133 SGD