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Marquise|Lab Grown|IGI

0.40ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG843683339

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG843683339

Diamond specifications and retailer prices

From £105 GBP
HK$1,100 HKD
As of October 30, 2026
Save £545 GBP (84%) vs most expensive(unlock to see where)
12 retailers carry this diamond
Most expensive: £650 GBP 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 D colour (colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG843683339 or 843683339. Listed at 12 retailers as of October 29, 2026, with prices from £105 to £650, a £545 spread on the same certified stone. MOH London lists it at £650. Compare the cross-retailer prices above before buying. The same certified stone often varies 15 to 40% across stores.

The 4Cs

0.40
Carat
D
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
Crown angle29.7°
Pavilion angle39.8°
OriginLab Grown
Grading LabIGI
CertificateIGI LG843683339
Dimensions7.57 × 3.87 × 2.38 mm
L/W Ratio1.96
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.57 mm3.87 mm0.40 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryExcellent
FluorescenceNone
CertificateIGI LG843683339
Side View
Table 59.0%Crown 29.7°Girdle: MED-STKPavilion 39.8°Culet: NoneDepth 61.5%

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: Oct 30
Current: £650 GBP|Low: £105 GBP|High: £842 GBP|Avg: £234 GBP|-22.7%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
October 31, 2026
Retailer 10£105 GBP
Retailer 9£119 GBP
Retailer 4£131 GBP
Retailer 6£159 GBP
Retailer 7£164 GBP
Retailer 2£166 GBP
Retailer 3£179 GBP
Retailer 5£226 GBP
Retailer 12£249 GBP
Retailer 11£327 GBP
Retailer 8£466 GBP
MOH London£650 GBP

18 data points across 12 retailers

12 retailers£105 GBP to £650 GBP

A
Cheapest Retailer
-
£105 GBP
HK$1,100 HKD
A
Retailer 2
-
£119 GBP
$160 USD
View
Retailer 3
-
£131 GBP
$175 USD
View
Price last confirmed 17 days ago
A
Retailer 4
-
£159 GBP
ZAR 3,441 ZAR
View
B+
Retailer 5
-
£164 GBP
€209 EUR
View
B+
Retailer 6
-
£166 GBP
View
B+
Retailer 7
-
£179 GBP
$240 USD
View
B+
Retailer 8
-
£226 GBP
View
B+
Retailer 9
-
£249 GBP
SGD 451 SGD
View
B
Retailer 10
-
£327 GBP
$438 USD
View
B
Retailer 11
-
£466 GBP
View
Most Expensive
B
MOH London
LG843683339 · Oct 29
£650 GBP
View
11 more retailers have this diamond
Prices start from £105 GBPSave up to £545 GBP

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
£105 GBP