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Marquise|Lab Grown|IGI

0.40ct D VS1 Marquise Lab Grown Diamond

ID • D/VS1 • IGI LG770603289

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG770603289

Diamond specifications and retailer prices

From £135 GBP
As of October 31, 2026
Save £428 GBP (76%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £563 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 LG770603289 or 770603289. Listed at 6 retailers as of October 29, 2026, with prices from £135 to £563, a £428 spread on the same certified stone. MOH London lists it at £563. 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
SymmetryVery Good
FluorescenceNone
Crown angle34.8°
Pavilion angle41.6°
OriginLab Grown
Grading LabIGI
CertificateIGI LG770603289
Dimensions7.95 × 3.77 × 2.38 mm
L/W Ratio2.11
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
7.95 mm3.77 mm0.40 ctD / VS1
OriginLab Grown
CutIdeal
PolishVery Good
SymmetryVery Good
FluorescenceNone
CertificateIGI LG770603289
Side View
Table 69.0%Crown 34.8°Girdle: MED-STKPavilion 41.6°Culet: NoneDepth 63.1%

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 31
Current: £563 GBP|Low: £127 GBP|High: £567 GBP|Avg: £256 GBP|+0.3%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
October 31, 2026
Retailer 2£135 GBP
Retailer 4£166 GBP
Retailer 3£196 GBP
Retailer 5£247 GBP
MOH London£563 GBP

40 data points across 5 retailers

6 retailers£135 GBP to £563 GBP

A
Cheapest Retailer
-
£135 GBP
B+
Retailer 2
-
£166 GBP
$222 USD
View
B+
Retailer 3
-
£196 GBP
View
B
Retailer 4
-
£247 GBP
$331 USD
View
B
Retailer 5
-
£290 GBP
$388 USD
View
Most Expensive
B
MOH London
LG770603289 · Oct 29
£563 GBP
View
5 more retailers have this diamond
Prices start from £135 GBPSave up to £428 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
£135 GBP