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Marquise|Lab Grown|IGI

4.05ct D VVS2 Marquise Lab Grown Diamond

EX • D/VVS2 • IGI LG821691924

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG821691924

Diamond specifications and retailer prices

From £1,361 GBP
As of October 30, 2026
Save £2,036 GBP (60%) vs most expensive(unlock to see where)
6 retailers carry this diamond
Most expensive: £3,397 GBP at With Clarity · As of October 30, 2026
View at With Clarity

About this 4.05ct lab-grown marquise diamond

This 4.05ct lab-grown marquise sits in the three to five carat band, graded D colour (colourless) and VVS2 clarity (very-very-slightly-included), with a top-tier cut grade and certified by IGI LG821691924 or 821691924. Listed at 6 retailers as of October 30, 2026, with prices from £1,361 to £3,397, a £2,036 spread on the same certified stone. With Clarity lists it at £3,397. 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

4.05
Carat
D
Colour
VVS2
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle34.1°
Pavilion angle39.9°
OriginLab Grown
Grading LabIGI
CertificateIGI LG821691924
Dimensions16.45 × 8.53 × 5.14 mm
L/W Ratio1.93
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.45 mm8.53 mm4.05 ctD / VVS2
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG821691924
Side View
Table 62.0%Crown 34.1°Girdle: THN-MEDPavilion 39.9°Culet: NoneDepth 60.3%

Caratlytics Score

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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 30
Current: £1,361 GBP|Low: £1,357 GBP|High: £3,741 GBP|Avg: £2,434 GBP|-12.2%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
With Clarity
October 30, 2026
Retailer 1£1,361 GBP
Retailer 5£1,496 GBP
Retailer 6£1,594 GBP
Retailer 2£1,783 GBP
Retailer 3£3,205 GBP
Retailer 4£3,284 GBP
With Clarity£3,397 GBP

23 data points across 7 retailers

6 retailers£1,361 GBP to £3,397 GBP

A
Cheapest Retailer
-
£1,361 GBP
A
Retailer 2
-
£1,496 GBP
$2,004 USD
View
A
Retailer 3
-
£1,783 GBP
$2,389 USD
View
B
Retailer 4
-
£3,205 GBP
View
B
Retailer 5
-
£3,284 GBP
$4,400 USD
View
Most Expensive
B
With Clarity
821691924 · Oct 30
£3,397 GBP
$4,552 USD
View
5 more retailers have this diamond
Prices start from £1,361 GBPSave up to £2,036 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
4.05ct Marquise
£1,361 GBP