Marquise|Lab Grown|IGI

0.41ct G SI1 Marquise Lab Grown Diamond

ID • G/SI1 • IGI LG544242197

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG544242197

Diamond specifications and retailer prices

From $105 USD
As of November 2, 2026
Save $373 USD (78%) vs most expensive(unlock to see where)
13 retailers carry this diamond
Most expensive: $1,097 USD at MOH London · As of October 21, 2026
View at MOH London

About this 0.41ct lab-grown marquise diamond

This 0.41ct 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 LG544242197 or 544242197. Listed at 13 retailers as of October 31, 2026, with a 356% 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

0.41
Carat
G
Color
SI1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
Crown angle32.7°
Pavilion angle40.2°
OriginLab Grown
Grading LabIGI
CertificateIGI LG544242197
Dimensions7.85 × 3.93 × 2.37 mm
L/W Ratio2.00
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
7.85 mm3.93 mm0.41 ctG / SI1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryVery Good
FluorescenceNone
CertificateIGI LG544242197
Side View
Table 57.0%Crown 32.7°Girdle: THN-STKPavilion 40.2°Culet: NoneDepth 60.3%

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: $1,097 USD|Low: $101 USD|High: $1,105 USD|Avg: $331 USD|-0.6%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
November 2, 2026
Retailer 7$105 USD
Retailer 11$122 USD
Retailer 8$139 USD
Retailer 12$139 USD
Retailer 5$230 USD
Retailer 2$258 USD
Retailer 10$262 USD
Retailer 6$316 USD
Retailer 3$357 USD
Retailer 9$420 USD
Retailer 4$478 USD
MOH London$1,097 USD

43 data points across 12 retailers

13 retailers$105 USD to $478 USD

A
Cheapest Retailer
-
$105 USD
A
Retailer 2
-
$122 USD
View
Retailer 3
-
$139 USD
View
Price last confirmed 8 days ago
A
Retailer 4
-
$139 USD
View
B+
Retailer 5
-
$230 USD
View
B+
Retailer 6
-
$258 USD
£203 GBP
View
B+
Retailer 7
-
$262 USD
View
B+
Retailer 8
-
$307 USD
HK$2,400 HKD
View
B+
Retailer 9
-
$316 USD
£248 GBP
View
B
Retailer 10
-
$357 USD
View
B
Retailer 11
-
$420 USD
View
B
Retailer 12
-
$478 USD
View
Most Expensive
MOH London
LG544242197 · Oct 21
$1,097 USD
£864 GBP
View
Price under review
12 more retailers have this diamond
Prices start from $105 USDSave up to $373 USD

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
0.41ct Marquise
$105 USD