Marquise|Lab Grown|IGI

4.01ct E IF Marquise Lab Grown Diamond

EX • E/IF • IGI LG797643225

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG797643225

Diamond specifications and retailer prices

From £2,909 GBP
$3,898 USD
As of October 31, 2026
Save £12,000 GBP (80%) vs most expensive(unlock to see where)
22 retailers carry this diamond
Most expensive: £14,909 GBP at With Clarity · As of October 31, 2026
View at With Clarity

About this 4.01ct lab-grown marquise diamond

This 4.01ct lab-grown marquise sits in the three to five carat band, graded E colour (colourless) and IF clarity (flawless or internally-flawless), with a top-tier cut grade and certified by IGI LG797643225 or 797643225. Listed at 22 retailers as of October 31, 2026, with prices from £2,909 to £14,909, a £12,000 spread on the same certified stone. With Clarity lists it at £14,909. 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

4.01
Carat
E
Colour
IF
Clarity
Excellent
Cut

Specifications

CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle32.6°
Pavilion angle41°
OriginLab Grown
Grading LabIGI
CertificateIGI LG797643225
Dimensions15.66 × 8.39 × 5.23 mm
L/W Ratio1.87
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
15.66 mm8.39 mm4.01 ctE / IF
OriginLab Grown
CutExcellent
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG797643225
Side View
Table 59.0%Crown 32.6°Girdle: MED-STKPavilion 41°Culet: NoneDepth 62.3%

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 31
Current: £4,026 GBP|Low: £2,909 GBP|High: £14,909 GBP|Avg: £5,772 GBP|-1.5%
Retailer 1
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
Retailer 11
Retailer 12
Retailer 13
Retailer 14
With Clarity
October 31, 2026
Retailer 9£2,909 GBP
Retailer 6£3,013 GBP
Retailer 14£3,127 GBP
Retailer 2£3,738 GBP
Retailer 1£4,026 GBP
Retailer 5£4,340 GBP
Retailer 10£4,843 GBP
Retailer 3£5,926 GBP
Retailer 8£6,412 GBP
Retailer 11£6,488 GBP
Retailer 12£6,517 GBP
Retailer 13£7,215 GBP
Retailer 7£7,807 GBP
Retailer 4£11,115 GBP
With Clarity£14,909 GBP

35 data points across 15 retailers

22 retailers£2,909 GBP to £14,909 GBP

Retailer 1
-
£2,597 GBP
$3,480 USD
Price last confirmed 23 days ago
Retailer 2
-
£2,826 GBP
$3,786 USD
View
Price last confirmed 32 days ago
A
Retailer 3
-
£2,909 GBP
$3,898 USD
View
Final sale: no returns
Retailer 4
-
£3,013 GBP
$4,037 USD
View
Price last confirmed 28 days ago
A
Retailer 5
-
£3,127 GBP
$4,190 USD
View
A
Retailer 6
-
£3,738 GBP
$5,008 USD
View
Retailer 7
-
£3,764 GBP
$5,044 USD
View
Price last confirmed 31 days ago
A
Retailer 8
-
£4,026 GBP
View
A
Retailer 9
-
£4,340 GBP
$5,815 USD
View
A
Retailer 10
-
£4,341 GBP
$5,817 USD
View
A
Retailer 11
-
£4,606 GBP
View
A
Retailer 12
-
£4,843 GBP
€6,180 EUR
View
Retailer 13
-
£5,926 GBP
$7,940 USD
View
Price last confirmed 17 days ago
A
Retailer 14
-
£6,412 GBP
ZAR 138,786 ZAR
View
A
Retailer 15
-
£6,488 GBP
View
Retailer 16
-
£6,517 GBP
A$13,434 AUD
View
Price last confirmed 9 days ago
A
Retailer 17
-
£7,215 GBP
$9,667 USD
View
A
Retailer 18
-
£7,807 GBP
$10,460 USD
View
A
Retailer 19
-
£8,361 GBP
$11,203 USD
View
B+
Retailer 20
-
£10,596 GBP
$14,197 USD
View
Retailer 21
-
£11,115 GBP
A$22,913 AUD
View
Price last confirmed 23 days ago
Most Expensive
B
With Clarity
797643225 · Oct 31
£14,909 GBP
$19,977 USD
View
21 more retailers have this diamond
Prices start from £2,909 GBPSave up to £12,000 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
4.01ct Marquise
£2,909 GBP