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Marquise|Lab Grown|IGI

4.00ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG795612466

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG795612466

Diamond specifications and retailer prices

From £690 GBP
$924 USD
As of November 1, 2026
Save £935 GBP (58%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,625 GBP at MOH London · As of November 1, 2026
View at MOH London

About this 4ct lab-grown marquise diamond

This 4ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG795612466 or 795612466. Listed at 6 retailers as of November 1, 2026, with prices from £690 to £1,625, a £935 spread on the same certified stone. MOH London lists it at £1,625. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

4.00
Carat
G
Colour
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle33.5°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG795612466
Dimensions16.61 × 8.13 × 5.19 mm
L/W Ratio2.04
Girdle conditionFaceted
Culet sizePointed
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.61 mm8.13 mm4.00 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG795612466
Side View
Table 60.0%Crown 33.5°Girdle: STK-THKPavilion 41°Culet: NoneDepth 63.8%

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 1
Current: £1,625 GBP|Low: £669 GBP|High: £1,637 GBP|Avg: £1,029 GBP|+0.1%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 4£690 GBP
Retailer 2£734 GBP
Retailer 3£747 GBP
Retailer 5£1,017 GBP
Retailer 6£1,443 GBP
MOH London£1,625 GBP

40 data points across 6 retailers

6 retailers£690 GBP to £1,625 GBP

B+
Cheapest Retailer
-
£690 GBP
$924 USD
A
Retailer 2
-
£734 GBP
View
A
Retailer 3
-
£747 GBP
$1,001 USD
View
A
Retailer 4
-
£1,017 GBP
$1,362 USD
View
B+
Retailer 5
-
£1,443 GBP
$1,933 USD
View
Most Expensive
B+
MOH London
LG795612466 · Nov 1
£1,625 GBP
View
5 more retailers have this diamond
Prices start from £690 GBPSave up to £935 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
4.00ct Marquise
£690 GBP