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Marquise|Lab Grown|IGI

4.00ct G VVS2 Marquise Lab Grown Diamond

ID • G/VVS2 • IGI LG816661878

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG816661878

Diamond specifications and retailer prices

From £674 GBP
$904 USD
As of November 1, 2026
Save £907 GBP (57%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £1,580 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 VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG816661878 or 816661878. Listed at 6 retailers as of November 1, 2026, with prices from £674 to £1,580, a £907 spread on the same certified stone. MOH London lists it at £1,580. 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
VVS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle40°
OriginLab Grown
Grading LabIGI
CertificateIGI LG816661878
Dimensions16.04 × 8.39 × 5.20 mm
L/W Ratio1.91
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.04 mm8.39 mm4.00 ctG / VVS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG816661878
Side View
Table 59.0%Crown 32.6°Girdle: MED-STKPavilion 40°Culet: NoneDepth 62.0%

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: £1,580 GBP|Low: £671 GBP|High: £1,645 GBP|Avg: £1,037 GBP|-2.8%
MOH London
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
November 2, 2026
Retailer 6£674 GBP
Retailer 2£707 GBP
Retailer 4£736 GBP
Retailer 5£1,086 GBP
Retailer 3£1,406 GBP
MOH London£1,580 GBP

41 data points across 6 retailers

6 retailers£674 GBP to £1,580 GBP

B+
Cheapest Retailer
-
£674 GBP
$904 USD
A
Retailer 2
-
£707 GBP
View
A
Retailer 3
-
£736 GBP
$988 USD
View
A
Retailer 4
-
£1,086 GBP
$1,458 USD
View
B+
Retailer 5
-
£1,406 GBP
$1,887 USD
View
Most Expensive
B+
MOH London
LG816661878 · Nov 1
£1,580 GBP
View
5 more retailers have this diamond
Prices start from £674 GBPSave up to £907 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
£674 GBP