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Marquise|Lab Grown|IGI

4.05ct E VS2 Marquise Lab Grown Diamond

ID • E/VS2 • IGI LG804624307

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG804624307

Diamond specifications and retailer prices

From £429 GBP
As of October 27, 2026
Save £2,832 GBP (87%) vs most expensive(unlock to see where)
21 retailers carry this diamond
Most expensive: £3,261 GBP at Brilliant Earth · As of October 29, 2026
View at Brilliant Earth

About this 4.05ct lab-grown marquise diamond

This 4.05ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and VS2 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG804624307 or 804624307. Listed at 21 retailers as of October 27, 2026, with prices from £429 to £3,261, a £2,832 spread on the same certified stone. Brilliant Earth lists it at £3,261. 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
E
Colour
VS2
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.7°
Pavilion angle39.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG804624307
Dimensions17.12 × 8.41 × 4.93 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
17.12 mm8.41 mm4.05 ctE / VS2
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG804624307
Side View
Table 63.0%Crown 32.7°Girdle: THN-MEDPavilion 39.3°Culet: NoneDepth 58.6%

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 27
Current: £3,261 GBP|Low: £413 GBP|High: £3,261 GBP|Avg: £1,315 GBP
Brilliant Earth
Retailer 2
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October 30, 2026
Retailer 9£413 GBP
Retailer 18£429 GBP
Retailer 7£462 GBP
Retailer 22£463 GBP
Retailer 12£513 GBP
Retailer 13£554 GBP
Retailer 20£619 GBP
Retailer 17£748 GBP
Retailer 8£749 GBP
Retailer 10£790 GBP
Retailer 19£794 GBP
Retailer 6£1,146 GBP
Retailer 3£1,208 GBP
Retailer 5£1,348 GBP
Retailer 14£1,524 GBP
Retailer 2£1,602 GBP
Retailer 4£1,650 GBP
Retailer 16£2,226 GBP
Retailer 21£2,227 GBP
Retailer 15£2,247 GBP
Retailer 11£2,317 GBP
Brilliant Earth£3,261 GBP

26 data points across 22 retailers

21 retailers£429 GBP to £3,261 GBP

Retailer 1
-
£413 GBP
$554 USD
Price last confirmed 7 days ago
A
Retailer 2
-
£429 GBP
View
A
Retailer 3
-
£463 GBP
$620 USD
View
A
Retailer 4
-
£513 GBP
$687 USD
View
A
Retailer 5
-
£554 GBP
HK$5,800 HKD
View
A
Retailer 6
-
£619 GBP
$830 USD
View
A
Retailer 7
-
£748 GBP
€954 EUR
View
A
Retailer 8
-
£749 GBP
$1,004 USD
View
B+
Retailer 9
-
£790 GBP
$1,059 USD
View
A
Retailer 10
-
£794 GBP
View
A
Retailer 11
-
£1,146 GBP
$1,536 USD
View
A
Retailer 12
-
£1,208 GBP
$1,618 USD
View
A
Retailer 13
-
£1,348 GBP
$1,806 USD
View
Retailer 14
-
£1,524 GBP
View
Price last confirmed 14 days ago
B+
Retailer 15
-
£1,602 GBP
SGD 2,900 SGD
View
B+
Retailer 16
-
£1,650 GBP
$2,211 USD
View
B+
Retailer 17
-
£2,226 GBP
$2,983 USD
View
B+
Retailer 18
-
£2,227 GBP
View
Retailer 19
-
£2,247 GBP
A$4,631 AUD
View
Price last confirmed 22 days ago
B+
Retailer 20
-
£2,317 GBP
$3,105 USD
View
Most Expensive
B
Brilliant Earth
20052332A · Oct 29
£3,261 GBP
$4,370 USD
View
20 more retailers have this diamond
Prices start from £429 GBPSave up to £2,832 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
£429 GBP