Marquise|Lab Grown|IGI

0.40ct I SI1 Marquise Lab Grown Diamond

ID • I/SI1 • IGI LG538287035

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG538287035

Diamond specifications and retailer prices

From €93 EUR
$104 USD
As of October 30, 2026
Save €872 EUR (90%) vs most expensive(unlock to see where)
10 retailers carry this diamond
Most expensive: €965 EUR 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 I colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade and certified by IGI LG538287035 or 538287035. Listed at 10 retailers as of October 29, 2026, with prices from €93 to €965, a €872 spread on the same certified stone. MOH London lists it at €965. 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
I
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle35.9°
Pavilion angle35°
OriginLab Grown
Grading LabIGI
CertificateIGI LG538287035
Dimensions7.57 × 3.87 × 2.19 mm
L/W Ratio1.96
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
7.57 mm3.87 mm0.40 ctI / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG538287035
Side View
Table 59.5%Crown 35.9°Girdle: MED-THKPavilion 35°Culet: NoneDepth 56.6%

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: €965 EUR|Low: €89 EUR|High: €971 EUR|Avg: €295 EUR|+0.5%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
October 30, 2026
Retailer 4€93 EUR
Retailer 8€107 EUR
Retailer 5€123 EUR
Retailer 9€123 EUR
Retailer 2€188 EUR
Retailer 11€206 EUR
Retailer 7€232 EUR
Retailer 3€274 EUR
Retailer 10€318 EUR
Retailer 6€370 EUR
MOH London€965 EUR

16 data points across 11 retailers

10 retailers€93 EUR to €965 EUR

A
Cheapest Retailer
-
€93 EUR
$104 USD
A
Retailer 2
-
€107 EUR
$120 USD
View
A
Retailer 3
-
€123 EUR
$137 USD
View
Retailer 4
-
€123 EUR
$137 USD
View
Price last confirmed 7 days ago
B+
Retailer 5
-
€188 EUR
$210 USD
View
B+
Retailer 6
-
€206 EUR
HK$1,800 HKD
View
B+
Retailer 7
-
€232 EUR
$259 USD
View
B
Retailer 8
-
€318 EUR
$355 USD
View
B
Retailer 9
-
€370 EUR
$413 USD
View
Most Expensive
B
MOH London
LG538287035 · Oct 29
€965 EUR
£849 GBP
View
9 more retailers have this diamond
Prices start from €93 EURSave up to €872 EUR

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
€93 EUR